Home / 25,145.50-37,683.18-18,898.20

Finding the Fourth Proportional to 25,145.50, 37,683.18 and 18,898.20

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Solution

The fourth proportional to 25,145.50, 37,683.18 and 18,898.20 is: 28,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.50 : 37,683.18 = 18,898.20 : x
  2. Step 2: Convert to fraction form
    25,145.50/37,683.18 = 18,898.20/x
  3. Step 3: Cross multiply
    25,145.50x = 37,683.18 × 18,898.20
  4. Step 4: Simplify right side
    25,145.50x = 712,144,272.28
  5. Step 5: Solve for x
    x = 712,144,272.28/25,145.50
  6. Step 6: Final answer
    x = 28,320.94

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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.