Home / 28,134.77-38,842.83-17,538.76

Finding the Fourth Proportional to 28,134.77, 38,842.83 and 17,538.76

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Solution

The fourth proportional to 28,134.77, 38,842.83 and 17,538.76 is: 24,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.77 : 38,842.83 = 17,538.76 : x
  2. Step 2: Convert to fraction form
    28,134.77/38,842.83 = 17,538.76/x
  3. Step 3: Cross multiply
    28,134.77x = 38,842.83 × 17,538.76
  4. Step 4: Simplify right side
    28,134.77x = 681,255,073.09
  5. Step 5: Solve for x
    x = 681,255,073.09/28,134.77
  6. Step 6: Final answer
    x = 24,213.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.