Home / 28,541.62-39,390.40-16,442.52

Finding the Fourth Proportional to 28,541.62, 39,390.40 and 16,442.52

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Solution

The fourth proportional to 28,541.62, 39,390.40 and 16,442.52 is: 22,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.62 : 39,390.40 = 16,442.52 : x
  2. Step 2: Convert to fraction form
    28,541.62/39,390.40 = 16,442.52/x
  3. Step 3: Cross multiply
    28,541.62x = 39,390.40 × 16,442.52
  4. Step 4: Simplify right side
    28,541.62x = 647,677,439.81
  5. Step 5: Solve for x
    x = 647,677,439.81/28,541.62
  6. Step 6: Final answer
    x = 22,692.39

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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.