Home / 25,255.51-34,839.80-19,276.80

Finding the Fourth Proportional to 25,255.51, 34,839.80 and 19,276.80

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Solution

The fourth proportional to 25,255.51, 34,839.80 and 19,276.80 is: 26,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.51 : 34,839.80 = 19,276.80 : x
  2. Step 2: Convert to fraction form
    25,255.51/34,839.80 = 19,276.80/x
  3. Step 3: Cross multiply
    25,255.51x = 34,839.80 × 19,276.80
  4. Step 4: Simplify right side
    25,255.51x = 671,600,006.30
  5. Step 5: Solve for x
    x = 671,600,006.30/25,255.51
  6. Step 6: Final answer
    x = 26,592.21

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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.