Home / 25,505.76-35,188.36-18,807.37

Finding the Fourth Proportional to 25,505.76, 35,188.36 and 18,807.37

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Solution

The fourth proportional to 25,505.76, 35,188.36 and 18,807.37 is: 25,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.76 : 35,188.36 = 18,807.37 : x
  2. Step 2: Convert to fraction form
    25,505.76/35,188.36 = 18,807.37/x
  3. Step 3: Cross multiply
    25,505.76x = 35,188.36 × 18,807.37
  4. Step 4: Simplify right side
    25,505.76x = 661,800,506.21
  5. Step 5: Solve for x
    x = 661,800,506.21/25,505.76
  6. Step 6: Final answer
    x = 25,947.10

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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.