Home / 20,601.09-28,402.02-16,366.21

Finding the Fourth Proportional to 20,601.09, 28,402.02 and 16,366.21

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Solution

The fourth proportional to 20,601.09, 28,402.02 and 16,366.21 is: 22,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.09 : 28,402.02 = 16,366.21 : x
  2. Step 2: Convert to fraction form
    20,601.09/28,402.02 = 16,366.21/x
  3. Step 3: Cross multiply
    20,601.09x = 28,402.02 × 16,366.21
  4. Step 4: Simplify right side
    20,601.09x = 464,833,423.74
  5. Step 5: Solve for x
    x = 464,833,423.74/20,601.09
  6. Step 6: Final answer
    x = 22,563.54

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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.