Home / 25,266.06-34,860.78-15,191.28

Finding the Fourth Proportional to 25,266.06, 34,860.78 and 15,191.28

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Solution

The fourth proportional to 25,266.06, 34,860.78 and 15,191.28 is: 20,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266.06 : 34,860.78 = 15,191.28 : x
  2. Step 2: Convert to fraction form
    25,266.06/34,860.78 = 15,191.28/x
  3. Step 3: Cross multiply
    25,266.06x = 34,860.78 × 15,191.28
  4. Step 4: Simplify right side
    25,266.06x = 529,579,870.00
  5. Step 5: Solve for x
    x = 529,579,870.00/25,266.06
  6. Step 6: Final answer
    x = 20,960.13

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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.