Home / 26,315.28-39,452.40-13,160.88

Finding the Fourth Proportional to 26,315.28, 39,452.40 and 13,160.88

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Solution

The fourth proportional to 26,315.28, 39,452.40 and 13,160.88 is: 19,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.28 : 39,452.40 = 13,160.88 : x
  2. Step 2: Convert to fraction form
    26,315.28/39,452.40 = 13,160.88/x
  3. Step 3: Cross multiply
    26,315.28x = 39,452.40 × 13,160.88
  4. Step 4: Simplify right side
    26,315.28x = 519,228,302.11
  5. Step 5: Solve for x
    x = 519,228,302.11/26,315.28
  6. Step 6: Final answer
    x = 19,731.06

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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.