Home / 28,612.24-39,487.08-18,010.96

Finding the Fourth Proportional to 28,612.24, 39,487.08 and 18,010.96

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Solution

The fourth proportional to 28,612.24, 39,487.08 and 18,010.96 is: 24,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.24 : 39,487.08 = 18,010.96 : x
  2. Step 2: Convert to fraction form
    28,612.24/39,487.08 = 18,010.96/x
  3. Step 3: Cross multiply
    28,612.24x = 39,487.08 × 18,010.96
  4. Step 4: Simplify right side
    28,612.24x = 711,200,218.40
  5. Step 5: Solve for x
    x = 711,200,218.40/28,612.24
  6. Step 6: Final answer
    x = 24,856.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.