Home / 28,624.06-42,962.51-20,627.13

Finding the Fourth Proportional to 28,624.06, 42,962.51 and 20,627.13

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Solution

The fourth proportional to 28,624.06, 42,962.51 and 20,627.13 is: 30,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,624.06 : 42,962.51 = 20,627.13 : x
  2. Step 2: Convert to fraction form
    28,624.06/42,962.51 = 20,627.13/x
  3. Step 3: Cross multiply
    28,624.06x = 42,962.51 × 20,627.13
  4. Step 4: Simplify right side
    28,624.06x = 886,193,278.90
  5. Step 5: Solve for x
    x = 886,193,278.90/28,624.06
  6. Step 6: Final answer
    x = 30,959.73

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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.