Home / 22,857.60-34,286.40-7,276.80

Finding the Fourth Proportional to 22,857.60, 34,286.40 and 7,276.80

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Solution

The fourth proportional to 22,857.60, 34,286.40 and 7,276.80 is: 10,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.60 : 34,286.40 = 7,276.80 : x
  2. Step 2: Convert to fraction form
    22,857.60/34,286.40 = 7,276.80/x
  3. Step 3: Cross multiply
    22,857.60x = 34,286.40 × 7,276.80
  4. Step 4: Simplify right side
    22,857.60x = 249,495,275.52
  5. Step 5: Solve for x
    x = 249,495,275.52/22,857.60
  6. Step 6: Final answer
    x = 10,915.20

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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.