Home / 25,260.12-34,858.92-13,929.28

Finding the Fourth Proportional to 25,260.12, 34,858.92 and 13,929.28

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Solution

The fourth proportional to 25,260.12, 34,858.92 and 13,929.28 is: 19,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.12 : 34,858.92 = 13,929.28 : x
  2. Step 2: Convert to fraction form
    25,260.12/34,858.92 = 13,929.28/x
  3. Step 3: Cross multiply
    25,260.12x = 34,858.92 × 13,929.28
  4. Step 4: Simplify right side
    25,260.12x = 485,559,657.18
  5. Step 5: Solve for x
    x = 485,559,657.18/25,260.12
  6. Step 6: Final answer
    x = 19,222.38

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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.