Home / 28,322.90-39,086.60-16,225.54

Finding the Fourth Proportional to 28,322.90, 39,086.60 and 16,225.54

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Solution

The fourth proportional to 28,322.90, 39,086.60 and 16,225.54 is: 22,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.90 : 39,086.60 = 16,225.54 : x
  2. Step 2: Convert to fraction form
    28,322.90/39,086.60 = 16,225.54/x
  3. Step 3: Cross multiply
    28,322.90x = 39,086.60 × 16,225.54
  4. Step 4: Simplify right side
    28,322.90x = 634,201,191.76
  5. Step 5: Solve for x
    x = 634,201,191.76/28,322.90
  6. Step 6: Final answer
    x = 22,391.82

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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.