Home / 26,315.40-39,488.67-9,687.12

Finding the Fourth Proportional to 26,315.40, 39,488.67 and 9,687.12

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Solution

The fourth proportional to 26,315.40, 39,488.67 and 9,687.12 is: 14,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.40 : 39,488.67 = 9,687.12 : x
  2. Step 2: Convert to fraction form
    26,315.40/39,488.67 = 9,687.12/x
  3. Step 3: Cross multiply
    26,315.40x = 39,488.67 × 9,687.12
  4. Step 4: Simplify right side
    26,315.40x = 382,531,484.93
  5. Step 5: Solve for x
    x = 382,531,484.93/26,315.40
  6. Step 6: Final answer
    x = 14,536.41

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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.