Home / 29,333.10-40,479.90-15,904.56

Finding the Fourth Proportional to 29,333.10, 40,479.90 and 15,904.56

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Solution

The fourth proportional to 29,333.10, 40,479.90 and 15,904.56 is: 21,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.10 : 40,479.90 = 15,904.56 : x
  2. Step 2: Convert to fraction form
    29,333.10/40,479.90 = 15,904.56/x
  3. Step 3: Cross multiply
    29,333.10x = 40,479.90 × 15,904.56
  4. Step 4: Simplify right side
    29,333.10x = 643,814,998.34
  5. Step 5: Solve for x
    x = 643,814,998.34/29,333.10
  6. Step 6: Final answer
    x = 21,948.41

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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.