Home / 28,502.06-42,753.83-13,505.66

Finding the Fourth Proportional to 28,502.06, 42,753.83 and 13,505.66

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Solution

The fourth proportional to 28,502.06, 42,753.83 and 13,505.66 is: 20,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.06 : 42,753.83 = 13,505.66 : x
  2. Step 2: Convert to fraction form
    28,502.06/42,753.83 = 13,505.66/x
  3. Step 3: Cross multiply
    28,502.06x = 42,753.83 × 13,505.66
  4. Step 4: Simplify right side
    28,502.06x = 577,418,624.15
  5. Step 5: Solve for x
    x = 577,418,624.15/28,502.06
  6. Step 6: Final answer
    x = 20,258.84

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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.