Home / 23,320.17-32,009.65-20,745.90

Finding the Fourth Proportional to 23,320.17, 32,009.65 and 20,745.90

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Solution

The fourth proportional to 23,320.17, 32,009.65 and 20,745.90 is: 28,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.17 : 32,009.65 = 20,745.90 : x
  2. Step 2: Convert to fraction form
    23,320.17/32,009.65 = 20,745.90/x
  3. Step 3: Cross multiply
    23,320.17x = 32,009.65 × 20,745.90
  4. Step 4: Simplify right side
    23,320.17x = 664,068,946.07
  5. Step 5: Solve for x
    x = 664,068,946.07/23,320.17
  6. Step 6: Final answer
    x = 28,476.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.