Home / 25,148.70-37,722.96-6,428.72

Finding the Fourth Proportional to 25,148.70, 37,722.96 and 6,428.72

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Solution

The fourth proportional to 25,148.70, 37,722.96 and 6,428.72 is: 9,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.70 : 37,722.96 = 6,428.72 : x
  2. Step 2: Convert to fraction form
    25,148.70/37,722.96 = 6,428.72/x
  3. Step 3: Cross multiply
    25,148.70x = 37,722.96 × 6,428.72
  4. Step 4: Simplify right side
    25,148.70x = 242,510,347.41
  5. Step 5: Solve for x
    x = 242,510,347.41/25,148.70
  6. Step 6: Final answer
    x = 9,643.06

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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.