Home / 40,215.72-60,284.70-15,238.56

Finding the Fourth Proportional to 40,215.72, 60,284.70 and 15,238.56

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Solution

The fourth proportional to 40,215.72, 60,284.70 and 15,238.56 is: 22,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.72 : 60,284.70 = 15,238.56 : x
  2. Step 2: Convert to fraction form
    40,215.72/60,284.70 = 15,238.56/x
  3. Step 3: Cross multiply
    40,215.72x = 60,284.70 × 15,238.56
  4. Step 4: Simplify right side
    40,215.72x = 918,652,018.03
  5. Step 5: Solve for x
    x = 918,652,018.03/40,215.72
  6. Step 6: Final answer
    x = 22,843.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.