Home / 27,759.18-38,308.24-15,184.74

Finding the Fourth Proportional to 27,759.18, 38,308.24 and 15,184.74

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Solution

The fourth proportional to 27,759.18, 38,308.24 and 15,184.74 is: 20,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.18 : 38,308.24 = 15,184.74 : x
  2. Step 2: Convert to fraction form
    27,759.18/38,308.24 = 15,184.74/x
  3. Step 3: Cross multiply
    27,759.18x = 38,308.24 × 15,184.74
  4. Step 4: Simplify right side
    27,759.18x = 581,700,664.26
  5. Step 5: Solve for x
    x = 581,700,664.26/27,759.18
  6. Step 6: Final answer
    x = 20,955.25

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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.