Home / 28,182.08-42,287.52-14,331.04

Finding the Fourth Proportional to 28,182.08, 42,287.52 and 14,331.04

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Solution

The fourth proportional to 28,182.08, 42,287.52 and 14,331.04 is: 21,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.08 : 42,287.52 = 14,331.04 : x
  2. Step 2: Convert to fraction form
    28,182.08/42,287.52 = 14,331.04/x
  3. Step 3: Cross multiply
    28,182.08x = 42,287.52 × 14,331.04
  4. Step 4: Simplify right side
    28,182.08x = 606,024,140.62
  5. Step 5: Solve for x
    x = 606,024,140.62/28,182.08
  6. Step 6: Final answer
    x = 21,503.88

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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.