Home / 28,215.54-42,337.17-11,347.87

Finding the Fourth Proportional to 28,215.54, 42,337.17 and 11,347.87

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Solution

The fourth proportional to 28,215.54, 42,337.17 and 11,347.87 is: 17,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.54 : 42,337.17 = 11,347.87 : x
  2. Step 2: Convert to fraction form
    28,215.54/42,337.17 = 11,347.87/x
  3. Step 3: Cross multiply
    28,215.54x = 42,337.17 × 11,347.87
  4. Step 4: Simplify right side
    28,215.54x = 480,436,701.33
  5. Step 5: Solve for x
    x = 480,436,701.33/28,215.54
  6. Step 6: Final answer
    x = 17,027.38

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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.