Home / 28,244.15-38,976.91-15,497.41

Finding the Fourth Proportional to 28,244.15, 38,976.91 and 15,497.41

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Solution

The fourth proportional to 28,244.15, 38,976.91 and 15,497.41 is: 21,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.15 : 38,976.91 = 15,497.41 : x
  2. Step 2: Convert to fraction form
    28,244.15/38,976.91 = 15,497.41/x
  3. Step 3: Cross multiply
    28,244.15x = 38,976.91 × 15,497.41
  4. Step 4: Simplify right side
    28,244.15x = 604,041,288.49
  5. Step 5: Solve for x
    x = 604,041,288.49/28,244.15
  6. Step 6: Final answer
    x = 21,386.42

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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.