Home / 25,920.25-35,771.57-14,742.25

Finding the Fourth Proportional to 25,920.25, 35,771.57 and 14,742.25

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Solution

The fourth proportional to 25,920.25, 35,771.57 and 14,742.25 is: 20,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.25 : 35,771.57 = 14,742.25 : x
  2. Step 2: Convert to fraction form
    25,920.25/35,771.57 = 14,742.25/x
  3. Step 3: Cross multiply
    25,920.25x = 35,771.57 × 14,742.25
  4. Step 4: Simplify right side
    25,920.25x = 527,353,354.12
  5. Step 5: Solve for x
    x = 527,353,354.12/25,920.25
  6. Step 6: Final answer
    x = 20,345.23

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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.