Home / 27,808.31-38,385.29-16,630.31

Finding the Fourth Proportional to 27,808.31, 38,385.29 and 16,630.31

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Solution

The fourth proportional to 27,808.31, 38,385.29 and 16,630.31 is: 22,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.31 : 38,385.29 = 16,630.31 : x
  2. Step 2: Convert to fraction form
    27,808.31/38,385.29 = 16,630.31/x
  3. Step 3: Cross multiply
    27,808.31x = 38,385.29 × 16,630.31
  4. Step 4: Simplify right side
    27,808.31x = 638,359,409.68
  5. Step 5: Solve for x
    x = 638,359,409.68/27,808.31
  6. Step 6: Final answer
    x = 22,955.70

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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.