Home / 25,226.76-37,840.15-10,419.40

Finding the Fourth Proportional to 25,226.76, 37,840.15 and 10,419.40

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Solution

The fourth proportional to 25,226.76, 37,840.15 and 10,419.40 is: 15,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,226.76 : 37,840.15 = 10,419.40 : x
  2. Step 2: Convert to fraction form
    25,226.76/37,840.15 = 10,419.40/x
  3. Step 3: Cross multiply
    25,226.76x = 37,840.15 × 10,419.40
  4. Step 4: Simplify right side
    25,226.76x = 394,271,660.63
  5. Step 5: Solve for x
    x = 394,271,660.63/25,226.76
  6. Step 6: Final answer
    x = 15,629.11

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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.