Home / 28,110.06-38,790.36-15,534

Finding the Fourth Proportional to 28,110.06, 38,790.36 and 15,534

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Solution

The fourth proportional to 28,110.06, 38,790.36 and 15,534 is: 21,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.06 : 38,790.36 = 15,534 : x
  2. Step 2: Convert to fraction form
    28,110.06/38,790.36 = 15,534/x
  3. Step 3: Cross multiply
    28,110.06x = 38,790.36 × 15,534
  4. Step 4: Simplify right side
    28,110.06x = 602,569,452.24
  5. Step 5: Solve for x
    x = 602,569,452.24/28,110.06
  6. Step 6: Final answer
    x = 21,436.08

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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.