Home / 26,315.03-39,488.10-9,686.75

Finding the Fourth Proportional to 26,315.03, 39,488.10 and 9,686.75

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Solution

The fourth proportional to 26,315.03, 39,488.10 and 9,686.75 is: 14,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.03 : 39,488.10 = 9,686.75 : x
  2. Step 2: Convert to fraction form
    26,315.03/39,488.10 = 9,686.75/x
  3. Step 3: Cross multiply
    26,315.03x = 39,488.10 × 9,686.75
  4. Step 4: Simplify right side
    26,315.03x = 382,511,155.23
  5. Step 5: Solve for x
    x = 382,511,155.23/26,315.03
  6. Step 6: Final answer
    x = 14,535.85

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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.