Home / 17,459.76-26,161.28-16,812.58

Finding the Fourth Proportional to 17,459.76, 26,161.28 and 16,812.58

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Solution

The fourth proportional to 17,459.76, 26,161.28 and 16,812.58 is: 25,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,459.76 : 26,161.28 = 16,812.58 : x
  2. Step 2: Convert to fraction form
    17,459.76/26,161.28 = 16,812.58/x
  3. Step 3: Cross multiply
    17,459.76x = 26,161.28 × 16,812.58
  4. Step 4: Simplify right side
    17,459.76x = 439,838,612.90
  5. Step 5: Solve for x
    x = 439,838,612.90/17,459.76
  6. Step 6: Final answer
    x = 25,191.56

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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.