Home / 28,360.76-42,466.82-19,995.48

Finding the Fourth Proportional to 28,360.76, 42,466.82 and 19,995.48

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Solution

The fourth proportional to 28,360.76, 42,466.82 and 19,995.48 is: 29,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.76 : 42,466.82 = 19,995.48 : x
  2. Step 2: Convert to fraction form
    28,360.76/42,466.82 = 19,995.48/x
  3. Step 3: Cross multiply
    28,360.76x = 42,466.82 × 19,995.48
  4. Step 4: Simplify right side
    28,360.76x = 849,144,350.00
  5. Step 5: Solve for x
    x = 849,144,350.00/28,360.76
  6. Step 6: Final answer
    x = 29,940.82

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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.