Home / 38,127.36-52,615.68-21,360

Finding the Fourth Proportional to 38,127.36, 52,615.68 and 21,360

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Solution

The fourth proportional to 38,127.36, 52,615.68 and 21,360 is: 29,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.36 : 52,615.68 = 21,360 : x
  2. Step 2: Convert to fraction form
    38,127.36/52,615.68 = 21,360/x
  3. Step 3: Cross multiply
    38,127.36x = 52,615.68 × 21,360
  4. Step 4: Simplify right side
    38,127.36x = 1,123,870,924.80
  5. Step 5: Solve for x
    x = 1,123,870,924.80/38,127.36
  6. Step 6: Final answer
    x = 29,476.76

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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.