Home / 17,708.40-26,562.60-13,561.20

Finding the Fourth Proportional to 17,708.40, 26,562.60 and 13,561.20

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Solution

The fourth proportional to 17,708.40, 26,562.60 and 13,561.20 is: 20,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.40 : 26,562.60 = 13,561.20 : x
  2. Step 2: Convert to fraction form
    17,708.40/26,562.60 = 13,561.20/x
  3. Step 3: Cross multiply
    17,708.40x = 26,562.60 × 13,561.20
  4. Step 4: Simplify right side
    17,708.40x = 360,220,731.12
  5. Step 5: Solve for x
    x = 360,220,731.12/17,708.40
  6. Step 6: Final answer
    x = 20,341.80

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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.