Home / 27,943.22-38,561.01-15,368.18

Finding the Fourth Proportional to 27,943.22, 38,561.01 and 15,368.18

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Solution

The fourth proportional to 27,943.22, 38,561.01 and 15,368.18 is: 21,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.22 : 38,561.01 = 15,368.18 : x
  2. Step 2: Convert to fraction form
    27,943.22/38,561.01 = 15,368.18/x
  3. Step 3: Cross multiply
    27,943.22x = 38,561.01 × 15,368.18
  4. Step 4: Simplify right side
    27,943.22x = 592,612,542.66
  5. Step 5: Solve for x
    x = 592,612,542.66/27,943.22
  6. Step 6: Final answer
    x = 21,207.74

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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.