Home / 38,106.86-57,172.80-15,926.56

Finding the Fourth Proportional to 38,106.86, 57,172.80 and 15,926.56

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Solution

The fourth proportional to 38,106.86, 57,172.80 and 15,926.56 is: 23,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.86 : 57,172.80 = 15,926.56 : x
  2. Step 2: Convert to fraction form
    38,106.86/57,172.80 = 15,926.56/x
  3. Step 3: Cross multiply
    38,106.86x = 57,172.80 × 15,926.56
  4. Step 4: Simplify right side
    38,106.86x = 910,565,946.36
  5. Step 5: Solve for x
    x = 910,565,946.36/38,106.86
  6. Step 6: Final answer
    x = 23,895.07

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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.