Home / 28,502.08-42,947.68-23,421.76

Finding the Fourth Proportional to 28,502.08, 42,947.68 and 23,421.76

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Solution

The fourth proportional to 28,502.08, 42,947.68 and 23,421.76 is: 35,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.08 : 42,947.68 = 23,421.76 : x
  2. Step 2: Convert to fraction form
    28,502.08/42,947.68 = 23,421.76/x
  3. Step 3: Cross multiply
    28,502.08x = 42,947.68 × 23,421.76
  4. Step 4: Simplify right side
    28,502.08x = 1,005,910,253.52
  5. Step 5: Solve for x
    x = 1,005,910,253.52/28,502.08
  6. Step 6: Final answer
    x = 35,292.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.