Home / 25,309.04-34,926.64-13,978.22

Finding the Fourth Proportional to 25,309.04, 34,926.64 and 13,978.22

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Solution

The fourth proportional to 25,309.04, 34,926.64 and 13,978.22 is: 19,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.04 : 34,926.64 = 13,978.22 : x
  2. Step 2: Convert to fraction form
    25,309.04/34,926.64 = 13,978.22/x
  3. Step 3: Cross multiply
    25,309.04x = 34,926.64 × 13,978.22
  4. Step 4: Simplify right side
    25,309.04x = 488,212,257.78
  5. Step 5: Solve for x
    x = 488,212,257.78/25,309.04
  6. Step 6: Final answer
    x = 19,290.03

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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.