Home / 23,439.02-32,360.97-20,916.83

Finding the Fourth Proportional to 23,439.02, 32,360.97 and 20,916.83

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Solution

The fourth proportional to 23,439.02, 32,360.97 and 20,916.83 is: 28,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,439.02 : 32,360.97 = 20,916.83 : x
  2. Step 2: Convert to fraction form
    23,439.02/32,360.97 = 20,916.83/x
  3. Step 3: Cross multiply
    23,439.02x = 32,360.97 × 20,916.83
  4. Step 4: Simplify right side
    23,439.02x = 676,888,949.81
  5. Step 5: Solve for x
    x = 676,888,949.81/23,439.02
  6. Step 6: Final answer
    x = 28,878.72

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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.