Home / 28,475.48-42,683.50-9,750

Finding the Fourth Proportional to 28,475.48, 42,683.50 and 9,750

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Solution

The fourth proportional to 28,475.48, 42,683.50 and 9,750 is: 14,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.48 : 42,683.50 = 9,750 : x
  2. Step 2: Convert to fraction form
    28,475.48/42,683.50 = 9,750/x
  3. Step 3: Cross multiply
    28,475.48x = 42,683.50 × 9,750
  4. Step 4: Simplify right side
    28,475.48x = 416,164,125
  5. Step 5: Solve for x
    x = 416,164,125/28,475.48
  6. Step 6: Final answer
    x = 14,614.82

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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.