Home / 28,825.32-43,160.10-14,945.16

Finding the Fourth Proportional to 28,825.32, 43,160.10 and 14,945.16

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Solution

The fourth proportional to 28,825.32, 43,160.10 and 14,945.16 is: 22,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.32 : 43,160.10 = 14,945.16 : x
  2. Step 2: Convert to fraction form
    28,825.32/43,160.10 = 14,945.16/x
  3. Step 3: Cross multiply
    28,825.32x = 43,160.10 × 14,945.16
  4. Step 4: Simplify right side
    28,825.32x = 645,034,600.12
  5. Step 5: Solve for x
    x = 645,034,600.12/28,825.32
  6. Step 6: Final answer
    x = 22,377.36

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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.