Home / 29,384.56-40,551.18-15,955.84

Finding the Fourth Proportional to 29,384.56, 40,551.18 and 15,955.84

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Solution

The fourth proportional to 29,384.56, 40,551.18 and 15,955.84 is: 22,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.56 : 40,551.18 = 15,955.84 : x
  2. Step 2: Convert to fraction form
    29,384.56/40,551.18 = 15,955.84/x
  3. Step 3: Cross multiply
    29,384.56x = 40,551.18 × 15,955.84
  4. Step 4: Simplify right side
    29,384.56x = 647,028,139.89
  5. Step 5: Solve for x
    x = 647,028,139.89/29,384.56
  6. Step 6: Final answer
    x = 22,019.32

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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.