Home / 29,333.12-40,479.78-15,904.34

Finding the Fourth Proportional to 29,333.12, 40,479.78 and 15,904.34

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Solution

The fourth proportional to 29,333.12, 40,479.78 and 15,904.34 is: 21,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.12 : 40,479.78 = 15,904.34 : x
  2. Step 2: Convert to fraction form
    29,333.12/40,479.78 = 15,904.34/x
  3. Step 3: Cross multiply
    29,333.12x = 40,479.78 × 15,904.34
  4. Step 4: Simplify right side
    29,333.12x = 643,804,184.25
  5. Step 5: Solve for x
    x = 643,804,184.25/29,333.12
  6. Step 6: Final answer
    x = 21,948.03

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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.