Home / 23,239.13-32,053.78-15,278.81

Finding the Fourth Proportional to 23,239.13, 32,053.78 and 15,278.81

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Solution

The fourth proportional to 23,239.13, 32,053.78 and 15,278.81 is: 21,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,239.13 : 32,053.78 = 15,278.81 : x
  2. Step 2: Convert to fraction form
    23,239.13/32,053.78 = 15,278.81/x
  3. Step 3: Cross multiply
    23,239.13x = 32,053.78 × 15,278.81
  4. Step 4: Simplify right side
    23,239.13x = 489,743,614.40
  5. Step 5: Solve for x
    x = 489,743,614.40/23,239.13
  6. Step 6: Final answer
    x = 21,074.09

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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.