Home / 52,431.24-72,355.22-28,557.84

Finding the Fourth Proportional to 52,431.24, 72,355.22 and 28,557.84

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Solution

The fourth proportional to 52,431.24, 72,355.22 and 28,557.84 is: 39,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.24 : 72,355.22 = 28,557.84 : x
  2. Step 2: Convert to fraction form
    52,431.24/72,355.22 = 28,557.84/x
  3. Step 3: Cross multiply
    52,431.24x = 72,355.22 × 28,557.84
  4. Step 4: Simplify right side
    52,431.24x = 2,066,308,795.92
  5. Step 5: Solve for x
    x = 2,066,308,795.92/52,431.24
  6. Step 6: Final answer
    x = 39,409.88

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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.