Home / 28,618.96-42,934.57-9,645.46

Finding the Fourth Proportional to 28,618.96, 42,934.57 and 9,645.46

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Solution

The fourth proportional to 28,618.96, 42,934.57 and 9,645.46 is: 14,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.96 : 42,934.57 = 9,645.46 : x
  2. Step 2: Convert to fraction form
    28,618.96/42,934.57 = 9,645.46/x
  3. Step 3: Cross multiply
    28,618.96x = 42,934.57 × 9,645.46
  4. Step 4: Simplify right side
    28,618.96x = 414,123,677.55
  5. Step 5: Solve for x
    x = 414,123,677.55/28,618.96
  6. Step 6: Final answer
    x = 14,470.26

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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.