Home / 25,887.55-38,774.41-21,394.29

Finding the Fourth Proportional to 25,887.55, 38,774.41 and 21,394.29

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Solution

The fourth proportional to 25,887.55, 38,774.41 and 21,394.29 is: 32,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.55 : 38,774.41 = 21,394.29 : x
  2. Step 2: Convert to fraction form
    25,887.55/38,774.41 = 21,394.29/x
  3. Step 3: Cross multiply
    25,887.55x = 38,774.41 × 21,394.29
  4. Step 4: Simplify right side
    25,887.55x = 829,550,972.12
  5. Step 5: Solve for x
    x = 829,550,972.12/25,887.55
  6. Step 6: Final answer
    x = 32,044.40

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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.