Home / 23,276.93-32,122.31-12,666.78

Finding the Fourth Proportional to 23,276.93, 32,122.31 and 12,666.78

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Solution

The fourth proportional to 23,276.93, 32,122.31 and 12,666.78 is: 17,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.93 : 32,122.31 = 12,666.78 : x
  2. Step 2: Convert to fraction form
    23,276.93/32,122.31 = 12,666.78/x
  3. Step 3: Cross multiply
    23,276.93x = 32,122.31 × 12,666.78
  4. Step 4: Simplify right side
    23,276.93x = 406,886,170.53
  5. Step 5: Solve for x
    x = 406,886,170.53/23,276.93
  6. Step 6: Final answer
    x = 17,480.24

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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.