Home / 28,152.83-42,229.19-13,353.66

Finding the Fourth Proportional to 28,152.83, 42,229.19 and 13,353.66

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Solution

The fourth proportional to 28,152.83, 42,229.19 and 13,353.66 is: 20,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.83 : 42,229.19 = 13,353.66 : x
  2. Step 2: Convert to fraction form
    28,152.83/42,229.19 = 13,353.66/x
  3. Step 3: Cross multiply
    28,152.83x = 42,229.19 × 13,353.66
  4. Step 4: Simplify right side
    28,152.83x = 563,914,178.57
  5. Step 5: Solve for x
    x = 563,914,178.57/28,152.83
  6. Step 6: Final answer
    x = 20,030.47

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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.