Home / 24,128.76-33,266.61-15,615.78

Finding the Fourth Proportional to 24,128.76, 33,266.61 and 15,615.78

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Solution

The fourth proportional to 24,128.76, 33,266.61 and 15,615.78 is: 21,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,128.76 : 33,266.61 = 15,615.78 : x
  2. Step 2: Convert to fraction form
    24,128.76/33,266.61 = 15,615.78/x
  3. Step 3: Cross multiply
    24,128.76x = 33,266.61 × 15,615.78
  4. Step 4: Simplify right side
    24,128.76x = 519,484,063.11
  5. Step 5: Solve for x
    x = 519,484,063.11/24,128.76
  6. Step 6: Final answer
    x = 21,529.66

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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.