Home / 27,885.61-38,488.49-15,955.52

Finding the Fourth Proportional to 27,885.61, 38,488.49 and 15,955.52

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Solution

The fourth proportional to 27,885.61, 38,488.49 and 15,955.52 is: 22,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.61 : 38,488.49 = 15,955.52 : x
  2. Step 2: Convert to fraction form
    27,885.61/38,488.49 = 15,955.52/x
  3. Step 3: Cross multiply
    27,885.61x = 38,488.49 × 15,955.52
  4. Step 4: Simplify right side
    27,885.61x = 614,104,008.07
  5. Step 5: Solve for x
    x = 614,104,008.07/27,885.61
  6. Step 6: Final answer
    x = 22,022.26

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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.