Home / 52,295.18-72,167.81-28,421.87

Finding the Fourth Proportional to 52,295.18, 72,167.81 and 28,421.87

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Solution

The fourth proportional to 52,295.18, 72,167.81 and 28,421.87 is: 39,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.18 : 72,167.81 = 28,421.87 : x
  2. Step 2: Convert to fraction form
    52,295.18/72,167.81 = 28,421.87/x
  3. Step 3: Cross multiply
    52,295.18x = 72,167.81 × 28,421.87
  4. Step 4: Simplify right side
    52,295.18x = 2,051,143,611.06
  5. Step 5: Solve for x
    x = 2,051,143,611.06/52,295.18
  6. Step 6: Final answer
    x = 39,222.43

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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.