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Finding the Fourth Proportional to 23,866.68, 32,920.88 and 14,664.20

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Solution

The fourth proportional to 23,866.68, 32,920.88 and 14,664.20 is: 20,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,866.68 : 32,920.88 = 14,664.20 : x
  2. Step 2: Convert to fraction form
    23,866.68/32,920.88 = 14,664.20/x
  3. Step 3: Cross multiply
    23,866.68x = 32,920.88 × 14,664.20
  4. Step 4: Simplify right side
    23,866.68x = 482,758,368.50
  5. Step 5: Solve for x
    x = 482,758,368.50/23,866.68
  6. Step 6: Final answer
    x = 20,227.29

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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.