Home / 15,720.60-23,580.90-14,627.10

Finding the Fourth Proportional to 15,720.60, 23,580.90 and 14,627.10

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Solution

The fourth proportional to 15,720.60, 23,580.90 and 14,627.10 is: 21,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720.60 : 23,580.90 = 14,627.10 : x
  2. Step 2: Convert to fraction form
    15,720.60/23,580.90 = 14,627.10/x
  3. Step 3: Cross multiply
    15,720.60x = 23,580.90 × 14,627.10
  4. Step 4: Simplify right side
    15,720.60x = 344,920,182.39
  5. Step 5: Solve for x
    x = 344,920,182.39/15,720.60
  6. Step 6: Final answer
    x = 21,940.65

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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.