Home / 22,708.54-31,341.54-13,275.28

Finding the Fourth Proportional to 22,708.54, 31,341.54 and 13,275.28

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Solution

The fourth proportional to 22,708.54, 31,341.54 and 13,275.28 is: 18,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.54 : 31,341.54 = 13,275.28 : x
  2. Step 2: Convert to fraction form
    22,708.54/31,341.54 = 13,275.28/x
  3. Step 3: Cross multiply
    22,708.54x = 31,341.54 × 13,275.28
  4. Step 4: Simplify right side
    22,708.54x = 416,067,719.13
  5. Step 5: Solve for x
    x = 416,067,719.13/22,708.54
  6. Step 6: Final answer
    x = 18,322.08

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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.