Home / 26,490.03-39,732.40-8,959.60

Finding the Fourth Proportional to 26,490.03, 39,732.40 and 8,959.60

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Solution

The fourth proportional to 26,490.03, 39,732.40 and 8,959.60 is: 13,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.03 : 39,732.40 = 8,959.60 : x
  2. Step 2: Convert to fraction form
    26,490.03/39,732.40 = 8,959.60/x
  3. Step 3: Cross multiply
    26,490.03x = 39,732.40 × 8,959.60
  4. Step 4: Simplify right side
    26,490.03x = 355,986,411.04
  5. Step 5: Solve for x
    x = 355,986,411.04/26,490.03
  6. Step 6: Final answer
    x = 13,438.51

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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.