Home / 23,678.16-32,646.31-15,166.28

Finding the Fourth Proportional to 23,678.16, 32,646.31 and 15,166.28

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Solution

The fourth proportional to 23,678.16, 32,646.31 and 15,166.28 is: 20,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.16 : 32,646.31 = 15,166.28 : x
  2. Step 2: Convert to fraction form
    23,678.16/32,646.31 = 15,166.28/x
  3. Step 3: Cross multiply
    23,678.16x = 32,646.31 × 15,166.28
  4. Step 4: Simplify right side
    23,678.16x = 495,123,122.13
  5. Step 5: Solve for x
    x = 495,123,122.13/23,678.16
  6. Step 6: Final answer
    x = 20,910.54

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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.