Home / 28,396.47-39,187.29-16,466.90

Finding the Fourth Proportional to 28,396.47, 39,187.29 and 16,466.90

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Solution

The fourth proportional to 28,396.47, 39,187.29 and 16,466.90 is: 22,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.47 : 39,187.29 = 16,466.90 : x
  2. Step 2: Convert to fraction form
    28,396.47/39,187.29 = 16,466.90/x
  3. Step 3: Cross multiply
    28,396.47x = 39,187.29 × 16,466.90
  4. Step 4: Simplify right side
    28,396.47x = 645,293,051.52
  5. Step 5: Solve for x
    x = 645,293,051.52/28,396.47
  6. Step 6: Final answer
    x = 22,724.41

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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.