Home / 52,770.42-72,822.65-28,895.67

Finding the Fourth Proportional to 52,770.42, 72,822.65 and 28,895.67

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Solution

The fourth proportional to 52,770.42, 72,822.65 and 28,895.67 is: 39,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.42 : 72,822.65 = 28,895.67 : x
  2. Step 2: Convert to fraction form
    52,770.42/72,822.65 = 28,895.67/x
  3. Step 3: Cross multiply
    52,770.42x = 72,822.65 × 28,895.67
  4. Step 4: Simplify right side
    52,770.42x = 2,104,259,118.45
  5. Step 5: Solve for x
    x = 2,104,259,118.45/52,770.42
  6. Step 6: Final answer
    x = 39,875.73

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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.