Home / 45,228.04-62,393.70-28,221.28

Finding the Fourth Proportional to 45,228.04, 62,393.70 and 28,221.28

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Solution

The fourth proportional to 45,228.04, 62,393.70 and 28,221.28 is: 38,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.04 : 62,393.70 = 28,221.28 : x
  2. Step 2: Convert to fraction form
    45,228.04/62,393.70 = 28,221.28/x
  3. Step 3: Cross multiply
    45,228.04x = 62,393.70 × 28,221.28
  4. Step 4: Simplify right side
    45,228.04x = 1,760,830,077.94
  5. Step 5: Solve for x
    x = 1,760,830,077.94/45,228.04
  6. Step 6: Final answer
    x = 38,932.27

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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.