Home / 28,111.04-38,795.52-15,536

Finding the Fourth Proportional to 28,111.04, 38,795.52 and 15,536

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Solution

The fourth proportional to 28,111.04, 38,795.52 and 15,536 is: 21,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111.04 : 38,795.52 = 15,536 : x
  2. Step 2: Convert to fraction form
    28,111.04/38,795.52 = 15,536/x
  3. Step 3: Cross multiply
    28,111.04x = 38,795.52 × 15,536
  4. Step 4: Simplify right side
    28,111.04x = 602,727,198.72
  5. Step 5: Solve for x
    x = 602,727,198.72/28,111.04
  6. Step 6: Final answer
    x = 21,440.94

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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.