Home / 29,258.19-40,376.20-15,829.45

Finding the Fourth Proportional to 29,258.19, 40,376.20 and 15,829.45

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Solution

The fourth proportional to 29,258.19, 40,376.20 and 15,829.45 is: 21,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,258.19 : 40,376.20 = 15,829.45 : x
  2. Step 2: Convert to fraction form
    29,258.19/40,376.20 = 15,829.45/x
  3. Step 3: Cross multiply
    29,258.19x = 40,376.20 × 15,829.45
  4. Step 4: Simplify right side
    29,258.19x = 639,133,039.09
  5. Step 5: Solve for x
    x = 639,133,039.09/29,258.19
  6. Step 6: Final answer
    x = 21,844.59

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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.