Home / 20,613.84-28,522.08-17,966.76

Finding the Fourth Proportional to 20,613.84, 28,522.08 and 17,966.76

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Solution

The fourth proportional to 20,613.84, 28,522.08 and 17,966.76 is: 24,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613.84 : 28,522.08 = 17,966.76 : x
  2. Step 2: Convert to fraction form
    20,613.84/28,522.08 = 17,966.76/x
  3. Step 3: Cross multiply
    20,613.84x = 28,522.08 × 17,966.76
  4. Step 4: Simplify right side
    20,613.84x = 512,449,366.06
  5. Step 5: Solve for x
    x = 512,449,366.06/20,613.84
  6. Step 6: Final answer
    x = 24,859.48

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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.