Home / 21,718.50-32,577.75-5,302.50

Finding the Fourth Proportional to 21,718.50, 32,577.75 and 5,302.50

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Solution

The fourth proportional to 21,718.50, 32,577.75 and 5,302.50 is: 7,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.50 : 32,577.75 = 5,302.50 : x
  2. Step 2: Convert to fraction form
    21,718.50/32,577.75 = 5,302.50/x
  3. Step 3: Cross multiply
    21,718.50x = 32,577.75 × 5,302.50
  4. Step 4: Simplify right side
    21,718.50x = 172,743,519.38
  5. Step 5: Solve for x
    x = 172,743,519.38/21,718.50
  6. Step 6: Final answer
    x = 7,953.75

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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.