Home / 28,112.04-38,796.90-15,537

Finding the Fourth Proportional to 28,112.04, 38,796.90 and 15,537

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Solution

The fourth proportional to 28,112.04, 38,796.90 and 15,537 is: 21,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112.04 : 38,796.90 = 15,537 : x
  2. Step 2: Convert to fraction form
    28,112.04/38,796.90 = 15,537/x
  3. Step 3: Cross multiply
    28,112.04x = 38,796.90 × 15,537
  4. Step 4: Simplify right side
    28,112.04x = 602,787,435.30
  5. Step 5: Solve for x
    x = 602,787,435.30/28,112.04
  6. Step 6: Final answer
    x = 21,442.32

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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.