Home / 27,218.02-40,811.13-10,558.58

Finding the Fourth Proportional to 27,218.02, 40,811.13 and 10,558.58

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Solution

The fourth proportional to 27,218.02, 40,811.13 and 10,558.58 is: 15,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.02 : 40,811.13 = 10,558.58 : x
  2. Step 2: Convert to fraction form
    27,218.02/40,811.13 = 10,558.58/x
  3. Step 3: Cross multiply
    27,218.02x = 40,811.13 × 10,558.58
  4. Step 4: Simplify right side
    27,218.02x = 430,907,703.71
  5. Step 5: Solve for x
    x = 430,907,703.71/27,218.02
  6. Step 6: Final answer
    x = 15,831.71

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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.