Home / 27,538.97-38,002.43-15,602.36

Finding the Fourth Proportional to 27,538.97, 38,002.43 and 15,602.36

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Solution

The fourth proportional to 27,538.97, 38,002.43 and 15,602.36 is: 21,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.97 : 38,002.43 = 15,602.36 : x
  2. Step 2: Convert to fraction form
    27,538.97/38,002.43 = 15,602.36/x
  3. Step 3: Cross multiply
    27,538.97x = 38,002.43 × 15,602.36
  4. Step 4: Simplify right side
    27,538.97x = 592,927,442.73
  5. Step 5: Solve for x
    x = 592,927,442.73/27,538.97
  6. Step 6: Final answer
    x = 21,530.49

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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.