Home / 35,926.81-49,578.96-20,828.23

Finding the Fourth Proportional to 35,926.81, 49,578.96 and 20,828.23

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Solution

The fourth proportional to 35,926.81, 49,578.96 and 20,828.23 is: 28,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,926.81 : 49,578.96 = 20,828.23 : x
  2. Step 2: Convert to fraction form
    35,926.81/49,578.96 = 20,828.23/x
  3. Step 3: Cross multiply
    35,926.81x = 49,578.96 × 20,828.23
  4. Step 4: Simplify right side
    35,926.81x = 1,032,641,982.04
  5. Step 5: Solve for x
    x = 1,032,641,982.04/35,926.81
  6. Step 6: Final answer
    x = 28,742.94

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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.