Home / 28,323.60-39,082.23-16,384.63

Finding the Fourth Proportional to 28,323.60, 39,082.23 and 16,384.63

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Solution

The fourth proportional to 28,323.60, 39,082.23 and 16,384.63 is: 22,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.60 : 39,082.23 = 16,384.63 : x
  2. Step 2: Convert to fraction form
    28,323.60/39,082.23 = 16,384.63/x
  3. Step 3: Cross multiply
    28,323.60x = 39,082.23 × 16,384.63
  4. Step 4: Simplify right side
    28,323.60x = 640,347,878.12
  5. Step 5: Solve for x
    x = 640,347,878.12/28,323.60
  6. Step 6: Final answer
    x = 22,608.28

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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.