Home / 28,282.60-39,027.70-16,346.71

Finding the Fourth Proportional to 28,282.60, 39,027.70 and 16,346.71

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Solution

The fourth proportional to 28,282.60, 39,027.70 and 16,346.71 is: 22,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.60 : 39,027.70 = 16,346.71 : x
  2. Step 2: Convert to fraction form
    28,282.60/39,027.70 = 16,346.71/x
  3. Step 3: Cross multiply
    28,282.60x = 39,027.70 × 16,346.71
  4. Step 4: Simplify right side
    28,282.60x = 637,974,493.87
  5. Step 5: Solve for x
    x = 637,974,493.87/28,282.60
  6. Step 6: Final answer
    x = 22,557.14

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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.