Home / 28,280.60-39,022.88-16,341.62

Finding the Fourth Proportional to 28,280.60, 39,022.88 and 16,341.62

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Solution

The fourth proportional to 28,280.60, 39,022.88 and 16,341.62 is: 22,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.60 : 39,022.88 = 16,341.62 : x
  2. Step 2: Convert to fraction form
    28,280.60/39,022.88 = 16,341.62/x
  3. Step 3: Cross multiply
    28,280.60x = 39,022.88 × 16,341.62
  4. Step 4: Simplify right side
    28,280.60x = 637,696,799.44
  5. Step 5: Solve for x
    x = 637,696,799.44/28,280.60
  6. Step 6: Final answer
    x = 22,548.92

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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.