Home / 27,432.35-37,856.19-15,333.12

Finding the Fourth Proportional to 27,432.35, 37,856.19 and 15,333.12

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Solution

The fourth proportional to 27,432.35, 37,856.19 and 15,333.12 is: 21,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.35 : 37,856.19 = 15,333.12 : x
  2. Step 2: Convert to fraction form
    27,432.35/37,856.19 = 15,333.12/x
  3. Step 3: Cross multiply
    27,432.35x = 37,856.19 × 15,333.12
  4. Step 4: Simplify right side
    27,432.35x = 580,453,561.51
  5. Step 5: Solve for x
    x = 580,453,561.51/27,432.35
  6. Step 6: Final answer
    x = 21,159.45

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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.