Home / 25,399.50-35,043.21-16,453.86

Finding the Fourth Proportional to 25,399.50, 35,043.21 and 16,453.86

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Solution

The fourth proportional to 25,399.50, 35,043.21 and 16,453.86 is: 22,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.50 : 35,043.21 = 16,453.86 : x
  2. Step 2: Convert to fraction form
    25,399.50/35,043.21 = 16,453.86/x
  3. Step 3: Cross multiply
    25,399.50x = 35,043.21 × 16,453.86
  4. Step 4: Simplify right side
    25,399.50x = 576,596,071.29
  5. Step 5: Solve for x
    x = 576,596,071.29/25,399.50
  6. Step 6: Final answer
    x = 22,701.08

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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.