Home / 27,945.59-38,564.87-15,370.34

Finding the Fourth Proportional to 27,945.59, 38,564.87 and 15,370.34

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Solution

The fourth proportional to 27,945.59, 38,564.87 and 15,370.34 is: 21,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.59 : 38,564.87 = 15,370.34 : x
  2. Step 2: Convert to fraction form
    27,945.59/38,564.87 = 15,370.34/x
  3. Step 3: Cross multiply
    27,945.59x = 38,564.87 × 15,370.34
  4. Step 4: Simplify right side
    27,945.59x = 592,754,894.28
  5. Step 5: Solve for x
    x = 592,754,894.28/27,945.59
  6. Step 6: Final answer
    x = 21,211.04

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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.