Home / 23,290.38-32,140.85-12,680.01

Finding the Fourth Proportional to 23,290.38, 32,140.85 and 12,680.01

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Solution

The fourth proportional to 23,290.38, 32,140.85 and 12,680.01 is: 17,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.38 : 32,140.85 = 12,680.01 : x
  2. Step 2: Convert to fraction form
    23,290.38/32,140.85 = 12,680.01/x
  3. Step 3: Cross multiply
    23,290.38x = 32,140.85 × 12,680.01
  4. Step 4: Simplify right side
    23,290.38x = 407,546,236.01
  5. Step 5: Solve for x
    x = 407,546,236.01/23,290.38
  6. Step 6: Final answer
    x = 17,498.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.