Home / 52,402.89-72,313.69-28,529.64

Finding the Fourth Proportional to 52,402.89, 72,313.69 and 28,529.64

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Solution

The fourth proportional to 52,402.89, 72,313.69 and 28,529.64 is: 39,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.89 : 72,313.69 = 28,529.64 : x
  2. Step 2: Convert to fraction form
    52,402.89/72,313.69 = 28,529.64/x
  3. Step 3: Cross multiply
    52,402.89x = 72,313.69 × 28,529.64
  4. Step 4: Simplify right side
    52,402.89x = 2,063,083,542.77
  5. Step 5: Solve for x
    x = 2,063,083,542.77/52,402.89
  6. Step 6: Final answer
    x = 39,369.65

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1.5x scale

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.