Home / 15,291.28-22,931.41-5,293.31

Finding the Fourth Proportional to 15,291.28, 22,931.41 and 5,293.31

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Solution

The fourth proportional to 15,291.28, 22,931.41 and 5,293.31 is: 7,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.28 : 22,931.41 = 5,293.31 : x
  2. Step 2: Convert to fraction form
    15,291.28/22,931.41 = 5,293.31/x
  3. Step 3: Cross multiply
    15,291.28x = 22,931.41 × 5,293.31
  4. Step 4: Simplify right side
    15,291.28x = 121,382,982.49
  5. Step 5: Solve for x
    x = 121,382,982.49/15,291.28
  6. Step 6: Final answer
    x = 7,938.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.