Home / 25,688.42-38,506.24-12,341.38

Finding the Fourth Proportional to 25,688.42, 38,506.24 and 12,341.38

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Solution

The fourth proportional to 25,688.42, 38,506.24 and 12,341.38 is: 18,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.42 : 38,506.24 = 12,341.38 : x
  2. Step 2: Convert to fraction form
    25,688.42/38,506.24 = 12,341.38/x
  3. Step 3: Cross multiply
    25,688.42x = 38,506.24 × 12,341.38
  4. Step 4: Simplify right side
    25,688.42x = 475,220,140.21
  5. Step 5: Solve for x
    x = 475,220,140.21/25,688.42
  6. Step 6: Final answer
    x = 18,499.39

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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.