Home / 28,301.90-39,058.79-16,971.83

Finding the Fourth Proportional to 28,301.90, 39,058.79 and 16,971.83

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Solution

The fourth proportional to 28,301.90, 39,058.79 and 16,971.83 is: 23,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.90 : 39,058.79 = 16,971.83 : x
  2. Step 2: Convert to fraction form
    28,301.90/39,058.79 = 16,971.83/x
  3. Step 3: Cross multiply
    28,301.90x = 39,058.79 × 16,971.83
  4. Step 4: Simplify right side
    28,301.90x = 662,898,948.59
  5. Step 5: Solve for x
    x = 662,898,948.59/28,301.90
  6. Step 6: Final answer
    x = 23,422.42

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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.