Home / 28,346.90-42,524.26-9,621.91

Finding the Fourth Proportional to 28,346.90, 42,524.26 and 9,621.91

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Solution

The fourth proportional to 28,346.90, 42,524.26 and 9,621.91 is: 14,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.90 : 42,524.26 = 9,621.91 : x
  2. Step 2: Convert to fraction form
    28,346.90/42,524.26 = 9,621.91/x
  3. Step 3: Cross multiply
    28,346.90x = 42,524.26 × 9,621.91
  4. Step 4: Simplify right side
    28,346.90x = 409,164,472.17
  5. Step 5: Solve for x
    x = 409,164,472.17/28,346.90
  6. Step 6: Final answer
    x = 14,434.19

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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.