Home / 22,828.97-31,498.22-13,395.71

Finding the Fourth Proportional to 22,828.97, 31,498.22 and 13,395.71

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Solution

The fourth proportional to 22,828.97, 31,498.22 and 13,395.71 is: 18,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.97 : 31,498.22 = 13,395.71 : x
  2. Step 2: Convert to fraction form
    22,828.97/31,498.22 = 13,395.71/x
  3. Step 3: Cross multiply
    22,828.97x = 31,498.22 × 13,395.71
  4. Step 4: Simplify right side
    22,828.97x = 421,941,020.64
  5. Step 5: Solve for x
    x = 421,941,020.64/22,828.97
  6. Step 6: Final answer
    x = 18,482.70

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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.