Home / 25,156.40-37,734.60-6,688.40

Finding the Fourth Proportional to 25,156.40, 37,734.60 and 6,688.40

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Solution

The fourth proportional to 25,156.40, 37,734.60 and 6,688.40 is: 10,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.40 : 37,734.60 = 6,688.40 : x
  2. Step 2: Convert to fraction form
    25,156.40/37,734.60 = 6,688.40/x
  3. Step 3: Cross multiply
    25,156.40x = 37,734.60 × 6,688.40
  4. Step 4: Simplify right side
    25,156.40x = 252,384,098.64
  5. Step 5: Solve for x
    x = 252,384,098.64/25,156.40
  6. Step 6: Final answer
    x = 10,032.60

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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.