Home / 19,244.40-28,866.60-5,391.60

Finding the Fourth Proportional to 19,244.40, 28,866.60 and 5,391.60

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Solution

The fourth proportional to 19,244.40, 28,866.60 and 5,391.60 is: 8,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.40 : 28,866.60 = 5,391.60 : x
  2. Step 2: Convert to fraction form
    19,244.40/28,866.60 = 5,391.60/x
  3. Step 3: Cross multiply
    19,244.40x = 28,866.60 × 5,391.60
  4. Step 4: Simplify right side
    19,244.40x = 155,637,160.56
  5. Step 5: Solve for x
    x = 155,637,160.56/19,244.40
  6. Step 6: Final answer
    x = 8,087.40

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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.