Home / 26,209.30-39,316.71-15,115.75

Finding the Fourth Proportional to 26,209.30, 39,316.71 and 15,115.75

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Solution

The fourth proportional to 26,209.30, 39,316.71 and 15,115.75 is: 22,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209.30 : 39,316.71 = 15,115.75 : x
  2. Step 2: Convert to fraction form
    26,209.30/39,316.71 = 15,115.75/x
  3. Step 3: Cross multiply
    26,209.30x = 39,316.71 × 15,115.75
  4. Step 4: Simplify right side
    26,209.30x = 594,301,559.18
  5. Step 5: Solve for x
    x = 594,301,559.18/26,209.30
  6. Step 6: Final answer
    x = 22,675.22

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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.