Home / 27,238.32-37,589.86-15,301.40

Finding the Fourth Proportional to 27,238.32, 37,589.86 and 15,301.40

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Solution

The fourth proportional to 27,238.32, 37,589.86 and 15,301.40 is: 21,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,238.32 : 37,589.86 = 15,301.40 : x
  2. Step 2: Convert to fraction form
    27,238.32/37,589.86 = 15,301.40/x
  3. Step 3: Cross multiply
    27,238.32x = 37,589.86 × 15,301.40
  4. Step 4: Simplify right side
    27,238.32x = 575,177,483.80
  5. Step 5: Solve for x
    x = 575,177,483.80/27,238.32
  6. Step 6: Final answer
    x = 21,116.48

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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.