Home / 29,276.91-40,402.17-15,848.28

Finding the Fourth Proportional to 29,276.91, 40,402.17 and 15,848.28

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Solution

The fourth proportional to 29,276.91, 40,402.17 and 15,848.28 is: 21,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.91 : 40,402.17 = 15,848.28 : x
  2. Step 2: Convert to fraction form
    29,276.91/40,402.17 = 15,848.28/x
  3. Step 3: Cross multiply
    29,276.91x = 40,402.17 × 15,848.28
  4. Step 4: Simplify right side
    29,276.91x = 640,304,902.77
  5. Step 5: Solve for x
    x = 640,304,902.77/29,276.91
  6. Step 6: Final answer
    x = 21,870.64

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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.