Home / 52,516.80-72,471.06-28,642.86

Finding the Fourth Proportional to 52,516.80, 72,471.06 and 28,642.86

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Solution

The fourth proportional to 52,516.80, 72,471.06 and 28,642.86 is: 39,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.80 : 72,471.06 = 28,642.86 : x
  2. Step 2: Convert to fraction form
    52,516.80/72,471.06 = 28,642.86/x
  3. Step 3: Cross multiply
    52,516.80x = 72,471.06 × 28,642.86
  4. Step 4: Simplify right side
    52,516.80x = 2,075,778,425.63
  5. Step 5: Solve for x
    x = 2,075,778,425.63/52,516.80
  6. Step 6: Final answer
    x = 39,525.99

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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.