Home / 22,759.88-31,389-14,799.20

Finding the Fourth Proportional to 22,759.88, 31,389 and 14,799.20

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Solution

The fourth proportional to 22,759.88, 31,389 and 14,799.20 is: 20,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.88 : 31,389 = 14,799.20 : x
  2. Step 2: Convert to fraction form
    22,759.88/31,389 = 14,799.20/x
  3. Step 3: Cross multiply
    22,759.88x = 31,389 × 14,799.20
  4. Step 4: Simplify right side
    22,759.88x = 464,532,088.80
  5. Step 5: Solve for x
    x = 464,532,088.80/22,759.88
  6. Step 6: Final answer
    x = 20,410.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.