Home / 28,215.95-42,269.24-15,050.21

Finding the Fourth Proportional to 28,215.95, 42,269.24 and 15,050.21

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Solution

The fourth proportional to 28,215.95, 42,269.24 and 15,050.21 is: 22,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.95 : 42,269.24 = 15,050.21 : x
  2. Step 2: Convert to fraction form
    28,215.95/42,269.24 = 15,050.21/x
  3. Step 3: Cross multiply
    28,215.95x = 42,269.24 × 15,050.21
  4. Step 4: Simplify right side
    28,215.95x = 636,160,764.82
  5. Step 5: Solve for x
    x = 636,160,764.82/28,215.95
  6. Step 6: Final answer
    x = 22,546.14

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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.