Home / 29,258.32-40,376.34-15,829.48

Finding the Fourth Proportional to 29,258.32, 40,376.34 and 15,829.48

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Solution

The fourth proportional to 29,258.32, 40,376.34 and 15,829.48 is: 21,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,258.32 : 40,376.34 = 15,829.48 : x
  2. Step 2: Convert to fraction form
    29,258.32/40,376.34 = 15,829.48/x
  3. Step 3: Cross multiply
    29,258.32x = 40,376.34 × 15,829.48
  4. Step 4: Simplify right side
    29,258.32x = 639,136,466.50
  5. Step 5: Solve for x
    x = 639,136,466.50/29,258.32
  6. Step 6: Final answer
    x = 21,844.61

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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.