Home / 27,459.77-37,888.11-16,128.68

Finding the Fourth Proportional to 27,459.77, 37,888.11 and 16,128.68

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Solution

The fourth proportional to 27,459.77, 37,888.11 and 16,128.68 is: 22,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.77 : 37,888.11 = 16,128.68 : x
  2. Step 2: Convert to fraction form
    27,459.77/37,888.11 = 16,128.68/x
  3. Step 3: Cross multiply
    27,459.77x = 37,888.11 × 16,128.68
  4. Step 4: Simplify right side
    27,459.77x = 611,085,012.55
  5. Step 5: Solve for x
    x = 611,085,012.55/27,459.77
  6. Step 6: Final answer
    x = 22,253.83

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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.