Home / 23,129.55-34,669.49-9,988.11

Finding the Fourth Proportional to 23,129.55, 34,669.49 and 9,988.11

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Solution

The fourth proportional to 23,129.55, 34,669.49 and 9,988.11 is: 14,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.55 : 34,669.49 = 9,988.11 : x
  2. Step 2: Convert to fraction form
    23,129.55/34,669.49 = 9,988.11/x
  3. Step 3: Cross multiply
    23,129.55x = 34,669.49 × 9,988.11
  4. Step 4: Simplify right side
    23,129.55x = 346,282,629.82
  5. Step 5: Solve for x
    x = 346,282,629.82/23,129.55
  6. Step 6: Final answer
    x = 14,971.44

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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.