Home / 27,148.60-40,688.82-15,468.40

Finding the Fourth Proportional to 27,148.60, 40,688.82 and 15,468.40

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Solution

The fourth proportional to 27,148.60, 40,688.82 and 15,468.40 is: 23,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.60 : 40,688.82 = 15,468.40 : x
  2. Step 2: Convert to fraction form
    27,148.60/40,688.82 = 15,468.40/x
  3. Step 3: Cross multiply
    27,148.60x = 40,688.82 × 15,468.40
  4. Step 4: Simplify right side
    27,148.60x = 629,390,943.29
  5. Step 5: Solve for x
    x = 629,390,943.29/27,148.60
  6. Step 6: Final answer
    x = 23,183.18

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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.