Home / 25,636.60-38,390.10-16,823.80

Finding the Fourth Proportional to 25,636.60, 38,390.10 and 16,823.80

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Solution

The fourth proportional to 25,636.60, 38,390.10 and 16,823.80 is: 25,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.60 : 38,390.10 = 16,823.80 : x
  2. Step 2: Convert to fraction form
    25,636.60/38,390.10 = 16,823.80/x
  3. Step 3: Cross multiply
    25,636.60x = 38,390.10 × 16,823.80
  4. Step 4: Simplify right side
    25,636.60x = 645,867,364.38
  5. Step 5: Solve for x
    x = 645,867,364.38/25,636.60
  6. Step 6: Final answer
    x = 25,193.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.