Home / 27,145.61-40,726.62-10,499.81

Finding the Fourth Proportional to 27,145.61, 40,726.62 and 10,499.81

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Solution

The fourth proportional to 27,145.61, 40,726.62 and 10,499.81 is: 15,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.61 : 40,726.62 = 10,499.81 : x
  2. Step 2: Convert to fraction form
    27,145.61/40,726.62 = 10,499.81/x
  3. Step 3: Cross multiply
    27,145.61x = 40,726.62 × 10,499.81
  4. Step 4: Simplify right side
    27,145.61x = 427,621,568.31
  5. Step 5: Solve for x
    x = 427,621,568.31/27,145.61
  6. Step 6: Final answer
    x = 15,752.88

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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.