Home / 28,444.38-39,216.60-19,476.42

Finding the Fourth Proportional to 28,444.38, 39,216.60 and 19,476.42

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Solution

The fourth proportional to 28,444.38, 39,216.60 and 19,476.42 is: 26,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.38 : 39,216.60 = 19,476.42 : x
  2. Step 2: Convert to fraction form
    28,444.38/39,216.60 = 19,476.42/x
  3. Step 3: Cross multiply
    28,444.38x = 39,216.60 × 19,476.42
  4. Step 4: Simplify right side
    28,444.38x = 763,798,972.57
  5. Step 5: Solve for x
    x = 763,798,972.57/28,444.38
  6. Step 6: Final answer
    x = 26,852.37

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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.