Home / 23,387.79-32,275.63-12,778.11

Finding the Fourth Proportional to 23,387.79, 32,275.63 and 12,778.11

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Solution

The fourth proportional to 23,387.79, 32,275.63 and 12,778.11 is: 17,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.79 : 32,275.63 = 12,778.11 : x
  2. Step 2: Convert to fraction form
    23,387.79/32,275.63 = 12,778.11/x
  3. Step 3: Cross multiply
    23,387.79x = 32,275.63 × 12,778.11
  4. Step 4: Simplify right side
    23,387.79x = 412,421,550.46
  5. Step 5: Solve for x
    x = 412,421,550.46/23,387.79
  6. Step 6: Final answer
    x = 17,634.05

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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.