Home / 25,147.40-34,705.26-16,634.81

Finding the Fourth Proportional to 25,147.40, 34,705.26 and 16,634.81

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Solution

The fourth proportional to 25,147.40, 34,705.26 and 16,634.81 is: 22,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.40 : 34,705.26 = 16,634.81 : x
  2. Step 2: Convert to fraction form
    25,147.40/34,705.26 = 16,634.81/x
  3. Step 3: Cross multiply
    25,147.40x = 34,705.26 × 16,634.81
  4. Step 4: Simplify right side
    25,147.40x = 577,315,492.86
  5. Step 5: Solve for x
    x = 577,315,492.86/25,147.40
  6. Step 6: Final answer
    x = 22,957.27

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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.