Home / 27,557.59-38,032.44-15,619.65

Finding the Fourth Proportional to 27,557.59, 38,032.44 and 15,619.65

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Solution

The fourth proportional to 27,557.59, 38,032.44 and 15,619.65 is: 21,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.59 : 38,032.44 = 15,619.65 : x
  2. Step 2: Convert to fraction form
    27,557.59/38,032.44 = 15,619.65/x
  3. Step 3: Cross multiply
    27,557.59x = 38,032.44 × 15,619.65
  4. Step 4: Simplify right side
    27,557.59x = 594,053,401.45
  5. Step 5: Solve for x
    x = 594,053,401.45/27,557.59
  6. Step 6: Final answer
    x = 21,556.80

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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.