Home / 17,870.68-26,763.76-15,517.90

Finding the Fourth Proportional to 17,870.68, 26,763.76 and 15,517.90

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Solution

The fourth proportional to 17,870.68, 26,763.76 and 15,517.90 is: 23,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.68 : 26,763.76 = 15,517.90 : x
  2. Step 2: Convert to fraction form
    17,870.68/26,763.76 = 15,517.90/x
  3. Step 3: Cross multiply
    17,870.68x = 26,763.76 × 15,517.90
  4. Step 4: Simplify right side
    17,870.68x = 415,317,334.74
  5. Step 5: Solve for x
    x = 415,317,334.74/17,870.68
  6. Step 6: Final answer
    x = 23,240.15

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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.