Home / 28,825.54-39,762.90-18,196.72

Finding the Fourth Proportional to 28,825.54, 39,762.90 and 18,196.72

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Solution

The fourth proportional to 28,825.54, 39,762.90 and 18,196.72 is: 25,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.54 : 39,762.90 = 18,196.72 : x
  2. Step 2: Convert to fraction form
    28,825.54/39,762.90 = 18,196.72/x
  3. Step 3: Cross multiply
    28,825.54x = 39,762.90 × 18,196.72
  4. Step 4: Simplify right side
    28,825.54x = 723,554,258.28
  5. Step 5: Solve for x
    x = 723,554,258.28/28,825.54
  6. Step 6: Final answer
    x = 25,101.15

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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.