Home / 24,748.28-34,161.92-15,315

Finding the Fourth Proportional to 24,748.28, 34,161.92 and 15,315

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Solution

The fourth proportional to 24,748.28, 34,161.92 and 15,315 is: 21,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,748.28 : 34,161.92 = 15,315 : x
  2. Step 2: Convert to fraction form
    24,748.28/34,161.92 = 15,315/x
  3. Step 3: Cross multiply
    24,748.28x = 34,161.92 × 15,315
  4. Step 4: Simplify right side
    24,748.28x = 523,189,804.80
  5. Step 5: Solve for x
    x = 523,189,804.80/24,748.28
  6. Step 6: Final answer
    x = 21,140.45

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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.