Home / 20,908.52-28,866.76-14,533.10

Finding the Fourth Proportional to 20,908.52, 28,866.76 and 14,533.10

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Solution

The fourth proportional to 20,908.52, 28,866.76 and 14,533.10 is: 20,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,908.52 : 28,866.76 = 14,533.10 : x
  2. Step 2: Convert to fraction form
    20,908.52/28,866.76 = 14,533.10/x
  3. Step 3: Cross multiply
    20,908.52x = 28,866.76 × 14,533.10
  4. Step 4: Simplify right side
    20,908.52x = 419,523,329.09
  5. Step 5: Solve for x
    x = 419,523,329.09/20,908.52
  6. Step 6: Final answer
    x = 20,064.71

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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.