Home / 28,089.64-42,068.16-14,730.71

Finding the Fourth Proportional to 28,089.64, 42,068.16 and 14,730.71

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Solution

The fourth proportional to 28,089.64, 42,068.16 and 14,730.71 is: 22,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.64 : 42,068.16 = 14,730.71 : x
  2. Step 2: Convert to fraction form
    28,089.64/42,068.16 = 14,730.71/x
  3. Step 3: Cross multiply
    28,089.64x = 42,068.16 × 14,730.71
  4. Step 4: Simplify right side
    28,089.64x = 619,693,891.49
  5. Step 5: Solve for x
    x = 619,693,891.49/28,089.64
  6. Step 6: Final answer
    x = 22,061.30

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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.