Home / 26,449.65-39,638.43-13,311.05

Finding the Fourth Proportional to 26,449.65, 39,638.43 and 13,311.05

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Solution

The fourth proportional to 26,449.65, 39,638.43 and 13,311.05 is: 19,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.65 : 39,638.43 = 13,311.05 : x
  2. Step 2: Convert to fraction form
    26,449.65/39,638.43 = 13,311.05/x
  3. Step 3: Cross multiply
    26,449.65x = 39,638.43 × 13,311.05
  4. Step 4: Simplify right side
    26,449.65x = 527,628,925.46
  5. Step 5: Solve for x
    x = 527,628,925.46/26,449.65
  6. Step 6: Final answer
    x = 19,948.43

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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.