Home / 28,532.58-39,376.89-15,957.42

Finding the Fourth Proportional to 28,532.58, 39,376.89 and 15,957.42

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Solution

The fourth proportional to 28,532.58, 39,376.89 and 15,957.42 is: 22,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.58 : 39,376.89 = 15,957.42 : x
  2. Step 2: Convert to fraction form
    28,532.58/39,376.89 = 15,957.42/x
  3. Step 3: Cross multiply
    28,532.58x = 39,376.89 × 15,957.42
  4. Step 4: Simplify right side
    28,532.58x = 628,353,572.02
  5. Step 5: Solve for x
    x = 628,353,572.02/28,532.58
  6. Step 6: Final answer
    x = 22,022.32

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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.