Home / 22,874.85-31,572.21-13,925.25

Finding the Fourth Proportional to 22,874.85, 31,572.21 and 13,925.25

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Solution

The fourth proportional to 22,874.85, 31,572.21 and 13,925.25 is: 19,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,874.85 : 31,572.21 = 13,925.25 : x
  2. Step 2: Convert to fraction form
    22,874.85/31,572.21 = 13,925.25/x
  3. Step 3: Cross multiply
    22,874.85x = 31,572.21 × 13,925.25
  4. Step 4: Simplify right side
    22,874.85x = 439,650,917.30
  5. Step 5: Solve for x
    x = 439,650,917.30/22,874.85
  6. Step 6: Final answer
    x = 19,219.84

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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.