Home / 25,019.60-37,529.40-10,218.80

Finding the Fourth Proportional to 25,019.60, 37,529.40 and 10,218.80

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Solution

The fourth proportional to 25,019.60, 37,529.40 and 10,218.80 is: 15,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.60 : 37,529.40 = 10,218.80 : x
  2. Step 2: Convert to fraction form
    25,019.60/37,529.40 = 10,218.80/x
  3. Step 3: Cross multiply
    25,019.60x = 37,529.40 × 10,218.80
  4. Step 4: Simplify right side
    25,019.60x = 383,505,432.72
  5. Step 5: Solve for x
    x = 383,505,432.72/25,019.60
  6. Step 6: Final answer
    x = 15,328.20

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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.