Home / 25,125.53-37,688.56-6,405.62

Finding the Fourth Proportional to 25,125.53, 37,688.56 and 6,405.62

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Solution

The fourth proportional to 25,125.53, 37,688.56 and 6,405.62 is: 9,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.53 : 37,688.56 = 6,405.62 : x
  2. Step 2: Convert to fraction form
    25,125.53/37,688.56 = 6,405.62/x
  3. Step 3: Cross multiply
    25,125.53x = 37,688.56 × 6,405.62
  4. Step 4: Simplify right side
    25,125.53x = 241,418,389.25
  5. Step 5: Solve for x
    x = 241,418,389.25/25,125.53
  6. Step 6: Final answer
    x = 9,608.49

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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.