Home / 28,022.56-42,034.95-11,158.76

Finding the Fourth Proportional to 28,022.56, 42,034.95 and 11,158.76

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Solution

The fourth proportional to 28,022.56, 42,034.95 and 11,158.76 is: 16,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.56 : 42,034.95 = 11,158.76 : x
  2. Step 2: Convert to fraction form
    28,022.56/42,034.95 = 11,158.76/x
  3. Step 3: Cross multiply
    28,022.56x = 42,034.95 × 11,158.76
  4. Step 4: Simplify right side
    28,022.56x = 469,058,023.75
  5. Step 5: Solve for x
    x = 469,058,023.75/28,022.56
  6. Step 6: Final answer
    x = 16,738.59

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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.