Home / 28,635.68-39,518.60-17,886.92

Finding the Fourth Proportional to 28,635.68, 39,518.60 and 17,886.92

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Solution

The fourth proportional to 28,635.68, 39,518.60 and 17,886.92 is: 24,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.68 : 39,518.60 = 17,886.92 : x
  2. Step 2: Convert to fraction form
    28,635.68/39,518.60 = 17,886.92/x
  3. Step 3: Cross multiply
    28,635.68x = 39,518.60 × 17,886.92
  4. Step 4: Simplify right side
    28,635.68x = 706,865,947.28
  5. Step 5: Solve for x
    x = 706,865,947.28/28,635.68
  6. Step 6: Final answer
    x = 24,684.80

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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.