Home / 28,432.08-42,652.89-8,705.88

Finding the Fourth Proportional to 28,432.08, 42,652.89 and 8,705.88

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Solution

The fourth proportional to 28,432.08, 42,652.89 and 8,705.88 is: 13,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.08 : 42,652.89 = 8,705.88 : x
  2. Step 2: Convert to fraction form
    28,432.08/42,652.89 = 8,705.88/x
  3. Step 3: Cross multiply
    28,432.08x = 42,652.89 × 8,705.88
  4. Step 4: Simplify right side
    28,432.08x = 371,330,941.99
  5. Step 5: Solve for x
    x = 371,330,941.99/28,432.08
  6. Step 6: Final answer
    x = 13,060.28

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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.