Home / 27,246.80-37,598.28-15,309.20

Finding the Fourth Proportional to 27,246.80, 37,598.28 and 15,309.20

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Solution

The fourth proportional to 27,246.80, 37,598.28 and 15,309.20 is: 21,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246.80 : 37,598.28 = 15,309.20 : x
  2. Step 2: Convert to fraction form
    27,246.80/37,598.28 = 15,309.20/x
  3. Step 3: Cross multiply
    27,246.80x = 37,598.28 × 15,309.20
  4. Step 4: Simplify right side
    27,246.80x = 575,599,588.18
  5. Step 5: Solve for x
    x = 575,599,588.18/27,246.80
  6. Step 6: Final answer
    x = 21,125.40

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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.