Home / 28,025.24-42,037.79-9,306.68

Finding the Fourth Proportional to 28,025.24, 42,037.79 and 9,306.68

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Solution

The fourth proportional to 28,025.24, 42,037.79 and 9,306.68 is: 13,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.24 : 42,037.79 = 9,306.68 : x
  2. Step 2: Convert to fraction form
    28,025.24/42,037.79 = 9,306.68/x
  3. Step 3: Cross multiply
    28,025.24x = 42,037.79 × 9,306.68
  4. Step 4: Simplify right side
    28,025.24x = 391,232,002.71
  5. Step 5: Solve for x
    x = 391,232,002.71/28,025.24
  6. Step 6: Final answer
    x = 13,959.99

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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.