Home / 28,292.67-42,445.08-8,572.76

Finding the Fourth Proportional to 28,292.67, 42,445.08 and 8,572.76

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Solution

The fourth proportional to 28,292.67, 42,445.08 and 8,572.76 is: 12,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.67 : 42,445.08 = 8,572.76 : x
  2. Step 2: Convert to fraction form
    28,292.67/42,445.08 = 8,572.76/x
  3. Step 3: Cross multiply
    28,292.67x = 42,445.08 × 8,572.76
  4. Step 4: Simplify right side
    28,292.67x = 363,871,484.02
  5. Step 5: Solve for x
    x = 363,871,484.02/28,292.67
  6. Step 6: Final answer
    x = 12,860.98

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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.