Home / 25,381.30-38,030.33-17,972.45

Finding the Fourth Proportional to 25,381.30, 38,030.33 and 17,972.45

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Solution

The fourth proportional to 25,381.30, 38,030.33 and 17,972.45 is: 26,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.30 : 38,030.33 = 17,972.45 : x
  2. Step 2: Convert to fraction form
    25,381.30/38,030.33 = 17,972.45/x
  3. Step 3: Cross multiply
    25,381.30x = 38,030.33 × 17,972.45
  4. Step 4: Simplify right side
    25,381.30x = 683,498,390.45
  5. Step 5: Solve for x
    x = 683,498,390.45/25,381.30
  6. Step 6: Final answer
    x = 26,929.21

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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.