Home / 26,128.95-39,193.89-6,407.65

Finding the Fourth Proportional to 26,128.95, 39,193.89 and 6,407.65

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Solution

The fourth proportional to 26,128.95, 39,193.89 and 6,407.65 is: 9,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.95 : 39,193.89 = 6,407.65 : x
  2. Step 2: Convert to fraction form
    26,128.95/39,193.89 = 6,407.65/x
  3. Step 3: Cross multiply
    26,128.95x = 39,193.89 × 6,407.65
  4. Step 4: Simplify right side
    26,128.95x = 251,140,729.26
  5. Step 5: Solve for x
    x = 251,140,729.26/26,128.95
  6. Step 6: Final answer
    x = 9,611.59

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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.