Home / 72,928.13-109,392.19-23,680.13

Finding the Fourth Proportional to 72,928.13, 109,392.19 and 23,680.13

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Solution

The fourth proportional to 72,928.13, 109,392.19 and 23,680.13 is: 35,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,928.13 : 109,392.19 = 23,680.13 : x
  2. Step 2: Convert to fraction form
    72,928.13/109,392.19 = 23,680.13/x
  3. Step 3: Cross multiply
    72,928.13x = 109,392.19 × 23,680.13
  4. Step 4: Simplify right side
    72,928.13x = 2,590,420,674.02
  5. Step 5: Solve for x
    x = 2,590,420,674.02/72,928.13
  6. Step 6: Final answer
    x = 35,520.19

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Similar ratio
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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.