Home / 27,272.64-40,930.82-14,128.76

Finding the Fourth Proportional to 27,272.64, 40,930.82 and 14,128.76

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Solution

The fourth proportional to 27,272.64, 40,930.82 and 14,128.76 is: 21,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.64 : 40,930.82 = 14,128.76 : x
  2. Step 2: Convert to fraction form
    27,272.64/40,930.82 = 14,128.76/x
  3. Step 3: Cross multiply
    27,272.64x = 40,930.82 × 14,128.76
  4. Step 4: Simplify right side
    27,272.64x = 578,301,732.38
  5. Step 5: Solve for x
    x = 578,301,732.38/27,272.64
  6. Step 6: Final answer
    x = 21,204.46

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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.