Home / 29,870.64-41,219.91-16,439.28

Finding the Fourth Proportional to 29,870.64, 41,219.91 and 16,439.28

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Solution

The fourth proportional to 29,870.64, 41,219.91 and 16,439.28 is: 22,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.64 : 41,219.91 = 16,439.28 : x
  2. Step 2: Convert to fraction form
    29,870.64/41,219.91 = 16,439.28/x
  3. Step 3: Cross multiply
    29,870.64x = 41,219.91 × 16,439.28
  4. Step 4: Simplify right side
    29,870.64x = 677,625,642.06
  5. Step 5: Solve for x
    x = 677,625,642.06/29,870.64
  6. Step 6: Final answer
    x = 22,685.34

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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.