Home / 21,480.74-32,244.68-17,066.78

Finding the Fourth Proportional to 21,480.74, 32,244.68 and 17,066.78

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Solution

The fourth proportional to 21,480.74, 32,244.68 and 17,066.78 is: 25,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.74 : 32,244.68 = 17,066.78 : x
  2. Step 2: Convert to fraction form
    21,480.74/32,244.68 = 17,066.78/x
  3. Step 3: Cross multiply
    21,480.74x = 32,244.68 × 17,066.78
  4. Step 4: Simplify right side
    21,480.74x = 550,312,741.17
  5. Step 5: Solve for x
    x = 550,312,741.17/21,480.74
  6. Step 6: Final answer
    x = 25,618.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.