Home / 27,940.29-38,557.61-15,365.04

Finding the Fourth Proportional to 27,940.29, 38,557.61 and 15,365.04

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Solution

The fourth proportional to 27,940.29, 38,557.61 and 15,365.04 is: 21,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.29 : 38,557.61 = 15,365.04 : x
  2. Step 2: Convert to fraction form
    27,940.29/38,557.61 = 15,365.04/x
  3. Step 3: Cross multiply
    27,940.29x = 38,557.61 × 15,365.04
  4. Step 4: Simplify right side
    27,940.29x = 592,439,219.95
  5. Step 5: Solve for x
    x = 592,439,219.95/27,940.29
  6. Step 6: Final answer
    x = 21,203.76

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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.