Home / 28,244.92-38,976.18-15,670.52

Finding the Fourth Proportional to 28,244.92, 38,976.18 and 15,670.52

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Solution

The fourth proportional to 28,244.92, 38,976.18 and 15,670.52 is: 21,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.92 : 38,976.18 = 15,670.52 : x
  2. Step 2: Convert to fraction form
    28,244.92/38,976.18 = 15,670.52/x
  3. Step 3: Cross multiply
    28,244.92x = 38,976.18 × 15,670.52
  4. Step 4: Simplify right side
    28,244.92x = 610,777,008.21
  5. Step 5: Solve for x
    x = 610,777,008.21/28,244.92
  6. Step 6: Final answer
    x = 21,624.31

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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.