Home / 31,885.15-47,807.22-15,244.81

Finding the Fourth Proportional to 31,885.15, 47,807.22 and 15,244.81

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Solution

The fourth proportional to 31,885.15, 47,807.22 and 15,244.81 is: 22,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.15 : 47,807.22 = 15,244.81 : x
  2. Step 2: Convert to fraction form
    31,885.15/47,807.22 = 15,244.81/x
  3. Step 3: Cross multiply
    31,885.15x = 47,807.22 × 15,244.81
  4. Step 4: Simplify right side
    31,885.15x = 728,811,985.53
  5. Step 5: Solve for x
    x = 728,811,985.53/31,885.15
  6. Step 6: Final answer
    x = 22,857.41

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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.