Home / 27,948.88-38,558.28-17,875

Finding the Fourth Proportional to 27,948.88, 38,558.28 and 17,875

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Solution

The fourth proportional to 27,948.88, 38,558.28 and 17,875 is: 24,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.88 : 38,558.28 = 17,875 : x
  2. Step 2: Convert to fraction form
    27,948.88/38,558.28 = 17,875/x
  3. Step 3: Cross multiply
    27,948.88x = 38,558.28 × 17,875
  4. Step 4: Simplify right side
    27,948.88x = 689,229,255
  5. Step 5: Solve for x
    x = 689,229,255/27,948.88
  6. Step 6: Final answer
    x = 24,660.35

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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.