Home / 26,858.61-40,287.88-9,328.59

Finding the Fourth Proportional to 26,858.61, 40,287.88 and 9,328.59

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Solution

The fourth proportional to 26,858.61, 40,287.88 and 9,328.59 is: 13,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858.61 : 40,287.88 = 9,328.59 : x
  2. Step 2: Convert to fraction form
    26,858.61/40,287.88 = 9,328.59/x
  3. Step 3: Cross multiply
    26,858.61x = 40,287.88 × 9,328.59
  4. Step 4: Simplify right side
    26,858.61x = 375,829,114.49
  5. Step 5: Solve for x
    x = 375,829,114.49/26,858.61
  6. Step 6: Final answer
    x = 13,992.87

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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.