Home / 21,302.71-31,907.50-17,562.94

Finding the Fourth Proportional to 21,302.71, 31,907.50 and 17,562.94

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Solution

The fourth proportional to 21,302.71, 31,907.50 and 17,562.94 is: 26,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.71 : 31,907.50 = 17,562.94 : x
  2. Step 2: Convert to fraction form
    21,302.71/31,907.50 = 17,562.94/x
  3. Step 3: Cross multiply
    21,302.71x = 31,907.50 × 17,562.94
  4. Step 4: Simplify right side
    21,302.71x = 560,389,508.05
  5. Step 5: Solve for x
    x = 560,389,508.05/21,302.71
  6. Step 6: Final answer
    x = 26,306.02

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1.5x scale

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.