Home / 27,571.12-38,052.04-15,637.40

Finding the Fourth Proportional to 27,571.12, 38,052.04 and 15,637.40

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Solution

The fourth proportional to 27,571.12, 38,052.04 and 15,637.40 is: 21,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.12 : 38,052.04 = 15,637.40 : x
  2. Step 2: Convert to fraction form
    27,571.12/38,052.04 = 15,637.40/x
  3. Step 3: Cross multiply
    27,571.12x = 38,052.04 × 15,637.40
  4. Step 4: Simplify right side
    27,571.12x = 595,034,970.30
  5. Step 5: Solve for x
    x = 595,034,970.30/27,571.12
  6. Step 6: Final answer
    x = 21,581.82

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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.