Home / 27,531.96-38,000.01-16,780.33

Finding the Fourth Proportional to 27,531.96, 38,000.01 and 16,780.33

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Solution

The fourth proportional to 27,531.96, 38,000.01 and 16,780.33 is: 23,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.96 : 38,000.01 = 16,780.33 : x
  2. Step 2: Convert to fraction form
    27,531.96/38,000.01 = 16,780.33/x
  3. Step 3: Cross multiply
    27,531.96x = 38,000.01 × 16,780.33
  4. Step 4: Simplify right side
    27,531.96x = 637,652,707.80
  5. Step 5: Solve for x
    x = 637,652,707.80/27,531.96
  6. Step 6: Final answer
    x = 23,160.45

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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.