Home / 52,576.45-72,557.22-28,704.40

Finding the Fourth Proportional to 52,576.45, 72,557.22 and 28,704.40

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Solution

The fourth proportional to 52,576.45, 72,557.22 and 28,704.40 is: 39,613.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,576.45 : 72,557.22 = 28,704.40 : x
  2. Step 2: Convert to fraction form
    52,576.45/72,557.22 = 28,704.40/x
  3. Step 3: Cross multiply
    52,576.45x = 72,557.22 × 28,704.40
  4. Step 4: Simplify right side
    52,576.45x = 2,082,711,465.77
  5. Step 5: Solve for x
    x = 2,082,711,465.77/52,576.45
  6. Step 6: Final answer
    x = 39,613.01

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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.