Home / 28,449.48-42,675.18-8,726.28

Finding the Fourth Proportional to 28,449.48, 42,675.18 and 8,726.28

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Solution

The fourth proportional to 28,449.48, 42,675.18 and 8,726.28 is: 13,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.48 : 42,675.18 = 8,726.28 : x
  2. Step 2: Convert to fraction form
    28,449.48/42,675.18 = 8,726.28/x
  3. Step 3: Cross multiply
    28,449.48x = 42,675.18 × 8,726.28
  4. Step 4: Simplify right side
    28,449.48x = 372,395,569.73
  5. Step 5: Solve for x
    x = 372,395,569.73/28,449.48
  6. Step 6: Final answer
    x = 13,089.71

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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.