Home / 26,475.19-39,729.20-15,387.10

Finding the Fourth Proportional to 26,475.19, 39,729.20 and 15,387.10

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Solution

The fourth proportional to 26,475.19, 39,729.20 and 15,387.10 is: 23,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.19 : 39,729.20 = 15,387.10 : x
  2. Step 2: Convert to fraction form
    26,475.19/39,729.20 = 15,387.10/x
  3. Step 3: Cross multiply
    26,475.19x = 39,729.20 × 15,387.10
  4. Step 4: Simplify right side
    26,475.19x = 611,316,997.06
  5. Step 5: Solve for x
    x = 611,316,997.06/26,475.19
  6. Step 6: Final answer
    x = 23,090.19

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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.