Home / 28,587.59-42,885.53-8,867.73

Finding the Fourth Proportional to 28,587.59, 42,885.53 and 8,867.73

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Solution

The fourth proportional to 28,587.59, 42,885.53 and 8,867.73 is: 13,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.59 : 42,885.53 = 8,867.73 : x
  2. Step 2: Convert to fraction form
    28,587.59/42,885.53 = 8,867.73/x
  3. Step 3: Cross multiply
    28,587.59x = 42,885.53 × 8,867.73
  4. Step 4: Simplify right side
    28,587.59x = 380,297,256.61
  5. Step 5: Solve for x
    x = 380,297,256.61/28,587.59
  6. Step 6: Final answer
    x = 13,302.88

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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.