Home / 84,851.43-127,224.80-28,686.21

Finding the Fourth Proportional to 84,851.43, 127,224.80 and 28,686.21

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Solution

The fourth proportional to 84,851.43, 127,224.80 and 28,686.21 is: 43,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.43 : 127,224.80 = 28,686.21 : x
  2. Step 2: Convert to fraction form
    84,851.43/127,224.80 = 28,686.21/x
  3. Step 3: Cross multiply
    84,851.43x = 127,224.80 × 28,686.21
  4. Step 4: Simplify right side
    84,851.43x = 3,649,597,330.01
  5. Step 5: Solve for x
    x = 3,649,597,330.01/84,851.43
  6. Step 6: Final answer
    x = 43,011.62

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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.