Home / 27,145.16-40,725.96-13,102.56

Finding the Fourth Proportional to 27,145.16, 40,725.96 and 13,102.56

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Solution

The fourth proportional to 27,145.16, 40,725.96 and 13,102.56 is: 19,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.16 : 40,725.96 = 13,102.56 : x
  2. Step 2: Convert to fraction form
    27,145.16/40,725.96 = 13,102.56/x
  3. Step 3: Cross multiply
    27,145.16x = 40,725.96 × 13,102.56
  4. Step 4: Simplify right side
    27,145.16x = 533,614,334.46
  5. Step 5: Solve for x
    x = 533,614,334.46/27,145.16
  6. Step 6: Final answer
    x = 19,657.81

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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.