Home / 23,289.80-32,139.99-13,857.75

Finding the Fourth Proportional to 23,289.80, 32,139.99 and 13,857.75

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Solution

The fourth proportional to 23,289.80, 32,139.99 and 13,857.75 is: 19,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.80 : 32,139.99 = 13,857.75 : x
  2. Step 2: Convert to fraction form
    23,289.80/32,139.99 = 13,857.75/x
  3. Step 3: Cross multiply
    23,289.80x = 32,139.99 × 13,857.75
  4. Step 4: Simplify right side
    23,289.80x = 445,387,946.42
  5. Step 5: Solve for x
    x = 445,387,946.42/23,289.80
  6. Step 6: Final answer
    x = 19,123.74

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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.