Home / 27,980.16-38,615.96-16,043.46

Finding the Fourth Proportional to 27,980.16, 38,615.96 and 16,043.46

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Solution

The fourth proportional to 27,980.16, 38,615.96 and 16,043.46 is: 22,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.16 : 38,615.96 = 16,043.46 : x
  2. Step 2: Convert to fraction form
    27,980.16/38,615.96 = 16,043.46/x
  3. Step 3: Cross multiply
    27,980.16x = 38,615.96 × 16,043.46
  4. Step 4: Simplify right side
    27,980.16x = 619,533,609.62
  5. Step 5: Solve for x
    x = 619,533,609.62/27,980.16
  6. Step 6: Final answer
    x = 22,141.89

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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.