Home / 27,864.63-38,447.83-15,925.43

Finding the Fourth Proportional to 27,864.63, 38,447.83 and 15,925.43

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Solution

The fourth proportional to 27,864.63, 38,447.83 and 15,925.43 is: 21,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.63 : 38,447.83 = 15,925.43 : x
  2. Step 2: Convert to fraction form
    27,864.63/38,447.83 = 15,925.43/x
  3. Step 3: Cross multiply
    27,864.63x = 38,447.83 × 15,925.43
  4. Step 4: Simplify right side
    27,864.63x = 612,298,341.34
  5. Step 5: Solve for x
    x = 612,298,341.34/27,864.63
  6. Step 6: Final answer
    x = 21,974.03

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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.