Home / 28,337.73-39,104.42-15,588.74

Finding the Fourth Proportional to 28,337.73, 39,104.42 and 15,588.74

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Solution

The fourth proportional to 28,337.73, 39,104.42 and 15,588.74 is: 21,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.73 : 39,104.42 = 15,588.74 : x
  2. Step 2: Convert to fraction form
    28,337.73/39,104.42 = 15,588.74/x
  3. Step 3: Cross multiply
    28,337.73x = 39,104.42 × 15,588.74
  4. Step 4: Simplify right side
    28,337.73x = 609,588,362.77
  5. Step 5: Solve for x
    x = 609,588,362.77/28,337.73
  6. Step 6: Final answer
    x = 21,511.55

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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.