Home / 28,098.10-42,147.15-14,101.30

Finding the Fourth Proportional to 28,098.10, 42,147.15 and 14,101.30

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Solution

The fourth proportional to 28,098.10, 42,147.15 and 14,101.30 is: 21,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.10 : 42,147.15 = 14,101.30 : x
  2. Step 2: Convert to fraction form
    28,098.10/42,147.15 = 14,101.30/x
  3. Step 3: Cross multiply
    28,098.10x = 42,147.15 × 14,101.30
  4. Step 4: Simplify right side
    28,098.10x = 594,329,606.30
  5. Step 5: Solve for x
    x = 594,329,606.30/28,098.10
  6. Step 6: Final answer
    x = 21,151.95

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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.