Home / 23,125.86-31,905.90-15,055.83

Finding the Fourth Proportional to 23,125.86, 31,905.90 and 15,055.83

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Solution

The fourth proportional to 23,125.86, 31,905.90 and 15,055.83 is: 20,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.86 : 31,905.90 = 15,055.83 : x
  2. Step 2: Convert to fraction form
    23,125.86/31,905.90 = 15,055.83/x
  3. Step 3: Cross multiply
    23,125.86x = 31,905.90 × 15,055.83
  4. Step 4: Simplify right side
    23,125.86x = 480,369,806.40
  5. Step 5: Solve for x
    x = 480,369,806.40/23,125.86
  6. Step 6: Final answer
    x = 20,771.98

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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.