Home / 28,227.48-42,366.60-15,091.08

Finding the Fourth Proportional to 28,227.48, 42,366.60 and 15,091.08

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Solution

The fourth proportional to 28,227.48, 42,366.60 and 15,091.08 is: 22,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.48 : 42,366.60 = 15,091.08 : x
  2. Step 2: Convert to fraction form
    28,227.48/42,366.60 = 15,091.08/x
  3. Step 3: Cross multiply
    28,227.48x = 42,366.60 × 15,091.08
  4. Step 4: Simplify right side
    28,227.48x = 639,357,749.93
  5. Step 5: Solve for x
    x = 639,357,749.93/28,227.48
  6. Step 6: Final answer
    x = 22,650.19

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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.