Home / 28,309.91-39,064.98-16,977.30

Finding the Fourth Proportional to 28,309.91, 39,064.98 and 16,977.30

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Solution

The fourth proportional to 28,309.91, 39,064.98 and 16,977.30 is: 23,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.91 : 39,064.98 = 16,977.30 : x
  2. Step 2: Convert to fraction form
    28,309.91/39,064.98 = 16,977.30/x
  3. Step 3: Cross multiply
    28,309.91x = 39,064.98 × 16,977.30
  4. Step 4: Simplify right side
    28,309.91x = 663,217,802.13
  5. Step 5: Solve for x
    x = 663,217,802.13/28,309.91
  6. Step 6: Final answer
    x = 23,427.06

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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.