Home / 28,616.16-42,854.92-14,539.12

Finding the Fourth Proportional to 28,616.16, 42,854.92 and 14,539.12

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Solution

The fourth proportional to 28,616.16, 42,854.92 and 14,539.12 is: 21,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.16 : 42,854.92 = 14,539.12 : x
  2. Step 2: Convert to fraction form
    28,616.16/42,854.92 = 14,539.12/x
  3. Step 3: Cross multiply
    28,616.16x = 42,854.92 × 14,539.12
  4. Step 4: Simplify right side
    28,616.16x = 623,072,824.47
  5. Step 5: Solve for x
    x = 623,072,824.47/28,616.16
  6. Step 6: Final answer
    x = 21,773.46

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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.