Home / 22,984.27-31,730.40-15,470.10

Finding the Fourth Proportional to 22,984.27, 31,730.40 and 15,470.10

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Solution

The fourth proportional to 22,984.27, 31,730.40 and 15,470.10 is: 21,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984.27 : 31,730.40 = 15,470.10 : x
  2. Step 2: Convert to fraction form
    22,984.27/31,730.40 = 15,470.10/x
  3. Step 3: Cross multiply
    22,984.27x = 31,730.40 × 15,470.10
  4. Step 4: Simplify right side
    22,984.27x = 490,872,461.04
  5. Step 5: Solve for x
    x = 490,872,461.04/22,984.27
  6. Step 6: Final answer
    x = 21,356.89

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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.