Home / 25,356.09-34,988.71-14,023.78

Finding the Fourth Proportional to 25,356.09, 34,988.71 and 14,023.78

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Solution

The fourth proportional to 25,356.09, 34,988.71 and 14,023.78 is: 19,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.09 : 34,988.71 = 14,023.78 : x
  2. Step 2: Convert to fraction form
    25,356.09/34,988.71 = 14,023.78/x
  3. Step 3: Cross multiply
    25,356.09x = 34,988.71 × 14,023.78
  4. Step 4: Simplify right side
    25,356.09x = 490,674,072.10
  5. Step 5: Solve for x
    x = 490,674,072.10/25,356.09
  6. Step 6: Final answer
    x = 19,351.33

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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.