Home / 25,917.90-38,877.48-19,385.58

Finding the Fourth Proportional to 25,917.90, 38,877.48 and 19,385.58

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Solution

The fourth proportional to 25,917.90, 38,877.48 and 19,385.58 is: 29,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.90 : 38,877.48 = 19,385.58 : x
  2. Step 2: Convert to fraction form
    25,917.90/38,877.48 = 19,385.58/x
  3. Step 3: Cross multiply
    25,917.90x = 38,877.48 × 19,385.58
  4. Step 4: Simplify right side
    25,917.90x = 753,662,498.74
  5. Step 5: Solve for x
    x = 753,662,498.74/25,917.90
  6. Step 6: Final answer
    x = 29,078.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.