Home / 29,276.24-40,398.28-19,848.40

Finding the Fourth Proportional to 29,276.24, 40,398.28 and 19,848.40

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Solution

The fourth proportional to 29,276.24, 40,398.28 and 19,848.40 is: 27,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.24 : 40,398.28 = 19,848.40 : x
  2. Step 2: Convert to fraction form
    29,276.24/40,398.28 = 19,848.40/x
  3. Step 3: Cross multiply
    29,276.24x = 40,398.28 × 19,848.40
  4. Step 4: Simplify right side
    29,276.24x = 801,841,220.75
  5. Step 5: Solve for x
    x = 801,841,220.75/29,276.24
  6. Step 6: Final answer
    x = 27,388.80

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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.