Home / 25,005.90-34,520.69-19,327.81

Finding the Fourth Proportional to 25,005.90, 34,520.69 and 19,327.81

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Solution

The fourth proportional to 25,005.90, 34,520.69 and 19,327.81 is: 26,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.90 : 34,520.69 = 19,327.81 : x
  2. Step 2: Convert to fraction form
    25,005.90/34,520.69 = 19,327.81/x
  3. Step 3: Cross multiply
    25,005.90x = 34,520.69 × 19,327.81
  4. Step 4: Simplify right side
    25,005.90x = 667,209,349.60
  5. Step 5: Solve for x
    x = 667,209,349.60/25,005.90
  6. Step 6: Final answer
    x = 26,682.08

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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.