Home / 25,191.51-34,750.06-15,114.22

Finding the Fourth Proportional to 25,191.51, 34,750.06 and 15,114.22

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Solution

The fourth proportional to 25,191.51, 34,750.06 and 15,114.22 is: 20,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.51 : 34,750.06 = 15,114.22 : x
  2. Step 2: Convert to fraction form
    25,191.51/34,750.06 = 15,114.22/x
  3. Step 3: Cross multiply
    25,191.51x = 34,750.06 × 15,114.22
  4. Step 4: Simplify right side
    25,191.51x = 525,220,109.94
  5. Step 5: Solve for x
    x = 525,220,109.94/25,191.51
  6. Step 6: Final answer
    x = 20,849.10

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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.