Home / 27,228.72-37,559.36-17,139.66

Finding the Fourth Proportional to 27,228.72, 37,559.36 and 17,139.66

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Solution

The fourth proportional to 27,228.72, 37,559.36 and 17,139.66 is: 23,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.72 : 37,559.36 = 17,139.66 : x
  2. Step 2: Convert to fraction form
    27,228.72/37,559.36 = 17,139.66/x
  3. Step 3: Cross multiply
    27,228.72x = 37,559.36 × 17,139.66
  4. Step 4: Simplify right side
    27,228.72x = 643,754,574.52
  5. Step 5: Solve for x
    x = 643,754,574.52/27,228.72
  6. Step 6: Final answer
    x = 23,642.48

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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.