Home / 17,729.55-26,600.40-7,875.90

Finding the Fourth Proportional to 17,729.55, 26,600.40 and 7,875.90

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Solution

The fourth proportional to 17,729.55, 26,600.40 and 7,875.90 is: 11,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,729.55 : 26,600.40 = 7,875.90 : x
  2. Step 2: Convert to fraction form
    17,729.55/26,600.40 = 7,875.90/x
  3. Step 3: Cross multiply
    17,729.55x = 26,600.40 × 7,875.90
  4. Step 4: Simplify right side
    17,729.55x = 209,502,090.36
  5. Step 5: Solve for x
    x = 209,502,090.36/17,729.55
  6. Step 6: Final answer
    x = 11,816.55

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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.