Home / 26,641.88-39,950.40-7,915.04

Finding the Fourth Proportional to 26,641.88, 39,950.40 and 7,915.04

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Solution

The fourth proportional to 26,641.88, 39,950.40 and 7,915.04 is: 11,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.88 : 39,950.40 = 7,915.04 : x
  2. Step 2: Convert to fraction form
    26,641.88/39,950.40 = 7,915.04/x
  3. Step 3: Cross multiply
    26,641.88x = 39,950.40 × 7,915.04
  4. Step 4: Simplify right side
    26,641.88x = 316,209,014.02
  5. Step 5: Solve for x
    x = 316,209,014.02/26,641.88
  6. Step 6: Final answer
    x = 11,868.87

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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.