Home / 29,258.07-40,376.11-15,829.32

Finding the Fourth Proportional to 29,258.07, 40,376.11 and 15,829.32

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Solution

The fourth proportional to 29,258.07, 40,376.11 and 15,829.32 is: 21,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,258.07 : 40,376.11 = 15,829.32 : x
  2. Step 2: Convert to fraction form
    29,258.07/40,376.11 = 15,829.32/x
  3. Step 3: Cross multiply
    29,258.07x = 40,376.11 × 15,829.32
  4. Step 4: Simplify right side
    29,258.07x = 639,126,365.55
  5. Step 5: Solve for x
    x = 639,126,365.55/29,258.07
  6. Step 6: Final answer
    x = 21,844.45

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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.