Home / 26,404.13-36,428.72-15,065.48

Finding the Fourth Proportional to 26,404.13, 36,428.72 and 15,065.48

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Solution

The fourth proportional to 26,404.13, 36,428.72 and 15,065.48 is: 20,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,404.13 : 36,428.72 = 15,065.48 : x
  2. Step 2: Convert to fraction form
    26,404.13/36,428.72 = 15,065.48/x
  3. Step 3: Cross multiply
    26,404.13x = 36,428.72 × 15,065.48
  4. Step 4: Simplify right side
    26,404.13x = 548,816,152.59
  5. Step 5: Solve for x
    x = 548,816,152.59/26,404.13
  6. Step 6: Final answer
    x = 20,785.24

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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.