Home / 26,189.10-39,279.96-13,705.02

Finding the Fourth Proportional to 26,189.10, 39,279.96 and 13,705.02

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Solution

The fourth proportional to 26,189.10, 39,279.96 and 13,705.02 is: 20,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.10 : 39,279.96 = 13,705.02 : x
  2. Step 2: Convert to fraction form
    26,189.10/39,279.96 = 13,705.02/x
  3. Step 3: Cross multiply
    26,189.10x = 39,279.96 × 13,705.02
  4. Step 4: Simplify right side
    26,189.10x = 538,332,637.40
  5. Step 5: Solve for x
    x = 538,332,637.40/26,189.10
  6. Step 6: Final answer
    x = 20,555.60

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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.