Home / 38,529.60-57,808.80-15,172.32

Finding the Fourth Proportional to 38,529.60, 57,808.80 and 15,172.32

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Solution

The fourth proportional to 38,529.60, 57,808.80 and 15,172.32 is: 22,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529.60 : 57,808.80 = 15,172.32 : x
  2. Step 2: Convert to fraction form
    38,529.60/57,808.80 = 15,172.32/x
  3. Step 3: Cross multiply
    38,529.60x = 57,808.80 × 15,172.32
  4. Step 4: Simplify right side
    38,529.60x = 877,093,612.42
  5. Step 5: Solve for x
    x = 877,093,612.42/38,529.60
  6. Step 6: Final answer
    x = 22,764.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.