Home / 28,319.92-39,071.76-17,560.92

Finding the Fourth Proportional to 28,319.92, 39,071.76 and 17,560.92

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Solution

The fourth proportional to 28,319.92, 39,071.76 and 17,560.92 is: 24,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.92 : 39,071.76 = 17,560.92 : x
  2. Step 2: Convert to fraction form
    28,319.92/39,071.76 = 17,560.92/x
  3. Step 3: Cross multiply
    28,319.92x = 39,071.76 × 17,560.92
  4. Step 4: Simplify right side
    28,319.92x = 686,135,768.46
  5. Step 5: Solve for x
    x = 686,135,768.46/28,319.92
  6. Step 6: Final answer
    x = 24,228.03

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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.