Home / 25,970.20-38,887.98-21,800.68

Finding the Fourth Proportional to 25,970.20, 38,887.98 and 21,800.68

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Solution

The fourth proportional to 25,970.20, 38,887.98 and 21,800.68 is: 32,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.20 : 38,887.98 = 21,800.68 : x
  2. Step 2: Convert to fraction form
    25,970.20/38,887.98 = 21,800.68/x
  3. Step 3: Cross multiply
    25,970.20x = 38,887.98 × 21,800.68
  4. Step 4: Simplify right side
    25,970.20x = 847,784,407.83
  5. Step 5: Solve for x
    x = 847,784,407.83/25,970.20
  6. Step 6: Final answer
    x = 32,644.51

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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.