Home / 28,358.22-42,534.90-9,648.84

Finding the Fourth Proportional to 28,358.22, 42,534.90 and 9,648.84

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Solution

The fourth proportional to 28,358.22, 42,534.90 and 9,648.84 is: 14,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.22 : 42,534.90 = 9,648.84 : x
  2. Step 2: Convert to fraction form
    28,358.22/42,534.90 = 9,648.84/x
  3. Step 3: Cross multiply
    28,358.22x = 42,534.90 × 9,648.84
  4. Step 4: Simplify right side
    28,358.22x = 410,412,444.52
  5. Step 5: Solve for x
    x = 410,412,444.52/28,358.22
  6. Step 6: Final answer
    x = 14,472.43

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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.