Home / 28,285.82-39,031.49-16,352.96

Finding the Fourth Proportional to 28,285.82, 39,031.49 and 16,352.96

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Solution

The fourth proportional to 28,285.82, 39,031.49 and 16,352.96 is: 22,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.82 : 39,031.49 = 16,352.96 : x
  2. Step 2: Convert to fraction form
    28,285.82/39,031.49 = 16,352.96/x
  3. Step 3: Cross multiply
    28,285.82x = 39,031.49 × 16,352.96
  4. Step 4: Simplify right side
    28,285.82x = 638,280,312.95
  5. Step 5: Solve for x
    x = 638,280,312.95/28,285.82
  6. Step 6: Final answer
    x = 22,565.39

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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.