Home / 16,948.80-25,423.20-15,681.60

Finding the Fourth Proportional to 16,948.80, 25,423.20 and 15,681.60

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Solution

The fourth proportional to 16,948.80, 25,423.20 and 15,681.60 is: 23,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.80 : 25,423.20 = 15,681.60 : x
  2. Step 2: Convert to fraction form
    16,948.80/25,423.20 = 15,681.60/x
  3. Step 3: Cross multiply
    16,948.80x = 25,423.20 × 15,681.60
  4. Step 4: Simplify right side
    16,948.80x = 398,676,453.12
  5. Step 5: Solve for x
    x = 398,676,453.12/16,948.80
  6. Step 6: Final answer
    x = 23,522.40

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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.