Home / 23,387.61-32,275.79-12,777.33

Finding the Fourth Proportional to 23,387.61, 32,275.79 and 12,777.33

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Solution

The fourth proportional to 23,387.61, 32,275.79 and 12,777.33 is: 17,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.61 : 32,275.79 = 12,777.33 : x
  2. Step 2: Convert to fraction form
    23,387.61/32,275.79 = 12,777.33/x
  3. Step 3: Cross multiply
    23,387.61x = 32,275.79 × 12,777.33
  4. Step 4: Simplify right side
    23,387.61x = 412,398,355.95
  5. Step 5: Solve for x
    x = 412,398,355.95/23,387.61
  6. Step 6: Final answer
    x = 17,633.20

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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.