Home / 28,441.53-39,248.99-15,694.81

Finding the Fourth Proportional to 28,441.53, 39,248.99 and 15,694.81

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Solution

The fourth proportional to 28,441.53, 39,248.99 and 15,694.81 is: 21,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.53 : 39,248.99 = 15,694.81 : x
  2. Step 2: Convert to fraction form
    28,441.53/39,248.99 = 15,694.81/x
  3. Step 3: Cross multiply
    28,441.53x = 39,248.99 × 15,694.81
  4. Step 4: Simplify right side
    28,441.53x = 616,005,166.02
  5. Step 5: Solve for x
    x = 616,005,166.02/28,441.53
  6. Step 6: Final answer
    x = 21,658.65

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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.