Home / 27,945.17-38,563.56-15,369.92

Finding the Fourth Proportional to 27,945.17, 38,563.56 and 15,369.92

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Solution

The fourth proportional to 27,945.17, 38,563.56 and 15,369.92 is: 21,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.17 : 38,563.56 = 15,369.92 : x
  2. Step 2: Convert to fraction form
    27,945.17/38,563.56 = 15,369.92/x
  3. Step 3: Cross multiply
    27,945.17x = 38,563.56 × 15,369.92
  4. Step 4: Simplify right side
    27,945.17x = 592,718,832.12
  5. Step 5: Solve for x
    x = 592,718,832.12/27,945.17
  6. Step 6: Final answer
    x = 21,210.06

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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.