Home / 28,113.06-38,794.50-15,537

Finding the Fourth Proportional to 28,113.06, 38,794.50 and 15,537

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Solution

The fourth proportional to 28,113.06, 38,794.50 and 15,537 is: 21,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113.06 : 38,794.50 = 15,537 : x
  2. Step 2: Convert to fraction form
    28,113.06/38,794.50 = 15,537/x
  3. Step 3: Cross multiply
    28,113.06x = 38,794.50 × 15,537
  4. Step 4: Simplify right side
    28,113.06x = 602,750,146.50
  5. Step 5: Solve for x
    x = 602,750,146.50/28,113.06
  6. Step 6: Final answer
    x = 21,440.22

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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.