Home / 28,295.94-42,429.33-19,424.82

Finding the Fourth Proportional to 28,295.94, 42,429.33 and 19,424.82

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Solution

The fourth proportional to 28,295.94, 42,429.33 and 19,424.82 is: 29,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.94 : 42,429.33 = 19,424.82 : x
  2. Step 2: Convert to fraction form
    28,295.94/42,429.33 = 19,424.82/x
  3. Step 3: Cross multiply
    28,295.94x = 42,429.33 × 19,424.82
  4. Step 4: Simplify right side
    28,295.94x = 824,182,097.97
  5. Step 5: Solve for x
    x = 824,182,097.97/28,295.94
  6. Step 6: Final answer
    x = 29,127.22

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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.