Home / 38,007.55-57,017.45-11,712.28

Finding the Fourth Proportional to 38,007.55, 57,017.45 and 11,712.28

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Solution

The fourth proportional to 38,007.55, 57,017.45 and 11,712.28 is: 17,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.55 : 57,017.45 = 11,712.28 : x
  2. Step 2: Convert to fraction form
    38,007.55/57,017.45 = 11,712.28/x
  3. Step 3: Cross multiply
    38,007.55x = 57,017.45 × 11,712.28
  4. Step 4: Simplify right side
    38,007.55x = 667,804,138.18
  5. Step 5: Solve for x
    x = 667,804,138.18/38,007.55
  6. Step 6: Final answer
    x = 17,570.30

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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.