Home / 26,479.81-36,538.17-15,147.50

Finding the Fourth Proportional to 26,479.81, 36,538.17 and 15,147.50

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Solution

The fourth proportional to 26,479.81, 36,538.17 and 15,147.50 is: 20,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.81 : 36,538.17 = 15,147.50 : x
  2. Step 2: Convert to fraction form
    26,479.81/36,538.17 = 15,147.50/x
  3. Step 3: Cross multiply
    26,479.81x = 36,538.17 × 15,147.50
  4. Step 4: Simplify right side
    26,479.81x = 553,461,930.08
  5. Step 5: Solve for x
    x = 553,461,930.08/26,479.81
  6. Step 6: Final answer
    x = 20,901.28

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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.