Home / 21,358.24-31,994.28-17,882.96

Finding the Fourth Proportional to 21,358.24, 31,994.28 and 17,882.96

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Solution

The fourth proportional to 21,358.24, 31,994.28 and 17,882.96 is: 26,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.24 : 31,994.28 = 17,882.96 : x
  2. Step 2: Convert to fraction form
    21,358.24/31,994.28 = 17,882.96/x
  3. Step 3: Cross multiply
    21,358.24x = 31,994.28 × 17,882.96
  4. Step 4: Simplify right side
    21,358.24x = 572,152,269.50
  5. Step 5: Solve for x
    x = 572,152,269.50/21,358.24
  6. Step 6: Final answer
    x = 26,788.37

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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.