Home / 25,559-35,272.21-13,917.99

Finding the Fourth Proportional to 25,559, 35,272.21 and 13,917.99

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Solution

The fourth proportional to 25,559, 35,272.21 and 13,917.99 is: 19,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559 : 35,272.21 = 13,917.99 : x
  2. Step 2: Convert to fraction form
    25,559/35,272.21 = 13,917.99/x
  3. Step 3: Cross multiply
    25,559x = 35,272.21 × 13,917.99
  4. Step 4: Simplify right side
    25,559x = 490,918,196.47
  5. Step 5: Solve for x
    x = 490,918,196.47/25,559
  6. Step 6: Final answer
    x = 19,207.25

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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.