Home / 27,423.68-37,842.32-15,485.90

Finding the Fourth Proportional to 27,423.68, 37,842.32 and 15,485.90

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Solution

The fourth proportional to 27,423.68, 37,842.32 and 15,485.90 is: 21,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.68 : 37,842.32 = 15,485.90 : x
  2. Step 2: Convert to fraction form
    27,423.68/37,842.32 = 15,485.90/x
  3. Step 3: Cross multiply
    27,423.68x = 37,842.32 × 15,485.90
  4. Step 4: Simplify right side
    27,423.68x = 586,022,232.79
  5. Step 5: Solve for x
    x = 586,022,232.79/27,423.68
  6. Step 6: Final answer
    x = 21,369.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.