Home / 40,427.28-55,788.24-22,521.36

Finding the Fourth Proportional to 40,427.28, 55,788.24 and 22,521.36

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Solution

The fourth proportional to 40,427.28, 55,788.24 and 22,521.36 is: 31,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.28 : 55,788.24 = 22,521.36 : x
  2. Step 2: Convert to fraction form
    40,427.28/55,788.24 = 22,521.36/x
  3. Step 3: Cross multiply
    40,427.28x = 55,788.24 × 22,521.36
  4. Step 4: Simplify right side
    40,427.28x = 1,256,427,036.81
  5. Step 5: Solve for x
    x = 1,256,427,036.81/40,427.28
  6. Step 6: Final answer
    x = 31,078.69

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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.