Home / 25,260.41-37,865.86-21,520.64

Finding the Fourth Proportional to 25,260.41, 37,865.86 and 21,520.64

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Solution

The fourth proportional to 25,260.41, 37,865.86 and 21,520.64 is: 32,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.41 : 37,865.86 = 21,520.64 : x
  2. Step 2: Convert to fraction form
    25,260.41/37,865.86 = 21,520.64/x
  3. Step 3: Cross multiply
    25,260.41x = 37,865.86 × 21,520.64
  4. Step 4: Simplify right side
    25,260.41x = 814,897,541.35
  5. Step 5: Solve for x
    x = 814,897,541.35/25,260.41
  6. Step 6: Final answer
    x = 32,259.87

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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.