Home / 30,424.80-41,959.98-28,653.36

Finding the Fourth Proportional to 30,424.80, 41,959.98 and 28,653.36

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Solution

The fourth proportional to 30,424.80, 41,959.98 and 28,653.36 is: 39,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.80 : 41,959.98 = 28,653.36 : x
  2. Step 2: Convert to fraction form
    30,424.80/41,959.98 = 28,653.36/x
  3. Step 3: Cross multiply
    30,424.80x = 41,959.98 × 28,653.36
  4. Step 4: Simplify right side
    30,424.80x = 1,202,294,412.53
  5. Step 5: Solve for x
    x = 1,202,294,412.53/30,424.80
  6. Step 6: Final answer
    x = 39,516.92

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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.