Home / 27,217.58-40,831.14-12,427.99

Finding the Fourth Proportional to 27,217.58, 40,831.14 and 12,427.99

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Solution

The fourth proportional to 27,217.58, 40,831.14 and 12,427.99 is: 18,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.58 : 40,831.14 = 12,427.99 : x
  2. Step 2: Convert to fraction form
    27,217.58/40,831.14 = 12,427.99/x
  3. Step 3: Cross multiply
    27,217.58x = 40,831.14 × 12,427.99
  4. Step 4: Simplify right side
    27,217.58x = 507,448,897.53
  5. Step 5: Solve for x
    x = 507,448,897.53/27,217.58
  6. Step 6: Final answer
    x = 18,644.16

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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.