Home / 18,800.25-28,122.47-14,324.07

Finding the Fourth Proportional to 18,800.25, 28,122.47 and 14,324.07

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Solution

The fourth proportional to 18,800.25, 28,122.47 and 14,324.07 is: 21,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.25 : 28,122.47 = 14,324.07 : x
  2. Step 2: Convert to fraction form
    18,800.25/28,122.47 = 14,324.07/x
  3. Step 3: Cross multiply
    18,800.25x = 28,122.47 × 14,324.07
  4. Step 4: Simplify right side
    18,800.25x = 402,828,157.23
  5. Step 5: Solve for x
    x = 402,828,157.23/18,800.25
  6. Step 6: Final answer
    x = 21,426.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.