Home / 25,283.16-34,879.98-15,211.48

Finding the Fourth Proportional to 25,283.16, 34,879.98 and 15,211.48

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Solution

The fourth proportional to 25,283.16, 34,879.98 and 15,211.48 is: 20,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.16 : 34,879.98 = 15,211.48 : x
  2. Step 2: Convert to fraction form
    25,283.16/34,879.98 = 15,211.48/x
  3. Step 3: Cross multiply
    25,283.16x = 34,879.98 × 15,211.48
  4. Step 4: Simplify right side
    25,283.16x = 530,576,118.17
  5. Step 5: Solve for x
    x = 530,576,118.17/25,283.16
  6. Step 6: Final answer
    x = 20,985.36

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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.