Home / 25,505.49-35,187.75-18,807.03

Finding the Fourth Proportional to 25,505.49, 35,187.75 and 18,807.03

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Solution

The fourth proportional to 25,505.49, 35,187.75 and 18,807.03 is: 25,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.49 : 35,187.75 = 18,807.03 : x
  2. Step 2: Convert to fraction form
    25,505.49/35,187.75 = 18,807.03/x
  3. Step 3: Cross multiply
    25,505.49x = 35,187.75 × 18,807.03
  4. Step 4: Simplify right side
    25,505.49x = 661,777,069.88
  5. Step 5: Solve for x
    x = 661,777,069.88/25,505.49
  6. Step 6: Final answer
    x = 25,946.46

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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.