Home / 27,894.78-38,495.45-15,959.23

Finding the Fourth Proportional to 27,894.78, 38,495.45 and 15,959.23

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Solution

The fourth proportional to 27,894.78, 38,495.45 and 15,959.23 is: 22,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.78 : 38,495.45 = 15,959.23 : x
  2. Step 2: Convert to fraction form
    27,894.78/38,495.45 = 15,959.23/x
  3. Step 3: Cross multiply
    27,894.78x = 38,495.45 × 15,959.23
  4. Step 4: Simplify right side
    27,894.78x = 614,357,684.16
  5. Step 5: Solve for x
    x = 614,357,684.16/27,894.78
  6. Step 6: Final answer
    x = 22,024.11

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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.