Home / 52,540.34-72,505.90-28,667.50

Finding the Fourth Proportional to 52,540.34, 72,505.90 and 28,667.50

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Solution

The fourth proportional to 52,540.34, 72,505.90 and 28,667.50 is: 39,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,540.34 : 72,505.90 = 28,667.50 : x
  2. Step 2: Convert to fraction form
    52,540.34/72,505.90 = 28,667.50/x
  3. Step 3: Cross multiply
    52,540.34x = 72,505.90 × 28,667.50
  4. Step 4: Simplify right side
    52,540.34x = 2,078,562,888.25
  5. Step 5: Solve for x
    x = 2,078,562,888.25/52,540.34
  6. Step 6: Final answer
    x = 39,561.28

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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.