Home / 26,277.90-39,416.85-21,612.30

Finding the Fourth Proportional to 26,277.90, 39,416.85 and 21,612.30

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Solution

The fourth proportional to 26,277.90, 39,416.85 and 21,612.30 is: 32,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,277.90 : 39,416.85 = 21,612.30 : x
  2. Step 2: Convert to fraction form
    26,277.90/39,416.85 = 21,612.30/x
  3. Step 3: Cross multiply
    26,277.90x = 39,416.85 × 21,612.30
  4. Step 4: Simplify right side
    26,277.90x = 851,888,787.26
  5. Step 5: Solve for x
    x = 851,888,787.26/26,277.90
  6. Step 6: Final answer
    x = 32,418.45

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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.