Home / 28,868.49-43,302.69-15,693.17

Finding the Fourth Proportional to 28,868.49, 43,302.69 and 15,693.17

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Solution

The fourth proportional to 28,868.49, 43,302.69 and 15,693.17 is: 23,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.49 : 43,302.69 = 15,693.17 : x
  2. Step 2: Convert to fraction form
    28,868.49/43,302.69 = 15,693.17/x
  3. Step 3: Cross multiply
    28,868.49x = 43,302.69 × 15,693.17
  4. Step 4: Simplify right side
    28,868.49x = 679,556,259.11
  5. Step 5: Solve for x
    x = 679,556,259.11/28,868.49
  6. Step 6: Final answer
    x = 23,539.72

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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.