Home / 28,384.50-39,166.29-16,445.52

Finding the Fourth Proportional to 28,384.50, 39,166.29 and 16,445.52

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Solution

The fourth proportional to 28,384.50, 39,166.29 and 16,445.52 is: 22,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.50 : 39,166.29 = 16,445.52 : x
  2. Step 2: Convert to fraction form
    28,384.50/39,166.29 = 16,445.52/x
  3. Step 3: Cross multiply
    28,384.50x = 39,166.29 × 16,445.52
  4. Step 4: Simplify right side
    28,384.50x = 644,110,005.52
  5. Step 5: Solve for x
    x = 644,110,005.52/28,384.50
  6. Step 6: Final answer
    x = 22,692.31

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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.