Home / 28,337.19-42,412.35-15,667.47

Finding the Fourth Proportional to 28,337.19, 42,412.35 and 15,667.47

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Solution

The fourth proportional to 28,337.19, 42,412.35 and 15,667.47 is: 23,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.19 : 42,412.35 = 15,667.47 : x
  2. Step 2: Convert to fraction form
    28,337.19/42,412.35 = 15,667.47/x
  3. Step 3: Cross multiply
    28,337.19x = 42,412.35 × 15,667.47
  4. Step 4: Simplify right side
    28,337.19x = 664,494,221.25
  5. Step 5: Solve for x
    x = 664,494,221.25/28,337.19
  6. Step 6: Final answer
    x = 23,449.55

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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.