Home / 22,256.08-30,715.14-12,827.68

Finding the Fourth Proportional to 22,256.08, 30,715.14 and 12,827.68

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Solution

The fourth proportional to 22,256.08, 30,715.14 and 12,827.68 is: 17,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.08 : 30,715.14 = 12,827.68 : x
  2. Step 2: Convert to fraction form
    22,256.08/30,715.14 = 12,827.68/x
  3. Step 3: Cross multiply
    22,256.08x = 30,715.14 × 12,827.68
  4. Step 4: Simplify right side
    22,256.08x = 394,003,987.08
  5. Step 5: Solve for x
    x = 394,003,987.08/22,256.08
  6. Step 6: Final answer
    x = 17,703.21

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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.