Home / 29,258.12-40,376.16-15,829.33

Finding the Fourth Proportional to 29,258.12, 40,376.16 and 15,829.33

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Solution

The fourth proportional to 29,258.12, 40,376.16 and 15,829.33 is: 21,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,258.12 : 40,376.16 = 15,829.33 : x
  2. Step 2: Convert to fraction form
    29,258.12/40,376.16 = 15,829.33/x
  3. Step 3: Cross multiply
    29,258.12x = 40,376.16 × 15,829.33
  4. Step 4: Simplify right side
    29,258.12x = 639,127,279.75
  5. Step 5: Solve for x
    x = 639,127,279.75/29,258.12
  6. Step 6: Final answer
    x = 21,844.44

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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.