Home / 28,414.13-39,214.80-16,477.83

Finding the Fourth Proportional to 28,414.13, 39,214.80 and 16,477.83

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Solution

The fourth proportional to 28,414.13, 39,214.80 and 16,477.83 is: 22,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.13 : 39,214.80 = 16,477.83 : x
  2. Step 2: Convert to fraction form
    28,414.13/39,214.80 = 16,477.83/x
  3. Step 3: Cross multiply
    28,414.13x = 39,214.80 × 16,477.83
  4. Step 4: Simplify right side
    28,414.13x = 646,174,807.88
  5. Step 5: Solve for x
    x = 646,174,807.88/28,414.13
  6. Step 6: Final answer
    x = 22,741.32

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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.