Home / 15,542.40-23,313.60-15,445.20

Finding the Fourth Proportional to 15,542.40, 23,313.60 and 15,445.20

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Solution

The fourth proportional to 15,542.40, 23,313.60 and 15,445.20 is: 23,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.40 : 23,313.60 = 15,445.20 : x
  2. Step 2: Convert to fraction form
    15,542.40/23,313.60 = 15,445.20/x
  3. Step 3: Cross multiply
    15,542.40x = 23,313.60 × 15,445.20
  4. Step 4: Simplify right side
    15,542.40x = 360,083,214.72
  5. Step 5: Solve for x
    x = 360,083,214.72/15,542.40
  6. Step 6: Final answer
    x = 23,167.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.