Home / 25,941.80-35,802.23-15,186.03

Finding the Fourth Proportional to 25,941.80, 35,802.23 and 15,186.03

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Solution

The fourth proportional to 25,941.80, 35,802.23 and 15,186.03 is: 20,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.80 : 35,802.23 = 15,186.03 : x
  2. Step 2: Convert to fraction form
    25,941.80/35,802.23 = 15,186.03/x
  3. Step 3: Cross multiply
    25,941.80x = 35,802.23 × 15,186.03
  4. Step 4: Simplify right side
    25,941.80x = 543,693,642.55
  5. Step 5: Solve for x
    x = 543,693,642.55/25,941.80
  6. Step 6: Final answer
    x = 20,958.21

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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.