Home / 28,633.51-42,963.81-13,834.12

Finding the Fourth Proportional to 28,633.51, 42,963.81 and 13,834.12

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Solution

The fourth proportional to 28,633.51, 42,963.81 and 13,834.12 is: 20,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.51 : 42,963.81 = 13,834.12 : x
  2. Step 2: Convert to fraction form
    28,633.51/42,963.81 = 13,834.12/x
  3. Step 3: Cross multiply
    28,633.51x = 42,963.81 × 13,834.12
  4. Step 4: Simplify right side
    28,633.51x = 594,366,503.20
  5. Step 5: Solve for x
    x = 594,366,503.20/28,633.51
  6. Step 6: Final answer
    x = 20,757.72

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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.