Home / 26,239.94-39,369.02-8,711.13

Finding the Fourth Proportional to 26,239.94, 39,369.02 and 8,711.13

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Solution

The fourth proportional to 26,239.94, 39,369.02 and 8,711.13 is: 13,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.94 : 39,369.02 = 8,711.13 : x
  2. Step 2: Convert to fraction form
    26,239.94/39,369.02 = 8,711.13/x
  3. Step 3: Cross multiply
    26,239.94x = 39,369.02 × 8,711.13
  4. Step 4: Simplify right side
    26,239.94x = 342,948,607.64
  5. Step 5: Solve for x
    x = 342,948,607.64/26,239.94
  6. Step 6: Final answer
    x = 13,069.72

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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.