Home / 27,542.87-38,009.20-15,607.01

Finding the Fourth Proportional to 27,542.87, 38,009.20 and 15,607.01

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Solution

The fourth proportional to 27,542.87, 38,009.20 and 15,607.01 is: 21,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.87 : 38,009.20 = 15,607.01 : x
  2. Step 2: Convert to fraction form
    27,542.87/38,009.20 = 15,607.01/x
  3. Step 3: Cross multiply
    27,542.87x = 38,009.20 × 15,607.01
  4. Step 4: Simplify right side
    27,542.87x = 593,209,964.49
  5. Step 5: Solve for x
    x = 593,209,964.49/27,542.87
  6. Step 6: Final answer
    x = 21,537.70

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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.