Home / 28,842.30-39,802.34-16,267.05

Finding the Fourth Proportional to 28,842.30, 39,802.34 and 16,267.05

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Solution

The fourth proportional to 28,842.30, 39,802.34 and 16,267.05 is: 22,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.30 : 39,802.34 = 16,267.05 : x
  2. Step 2: Convert to fraction form
    28,842.30/39,802.34 = 16,267.05/x
  3. Step 3: Cross multiply
    28,842.30x = 39,802.34 × 16,267.05
  4. Step 4: Simplify right side
    28,842.30x = 647,466,573.56
  5. Step 5: Solve for x
    x = 647,466,573.56/28,842.30
  6. Step 6: Final answer
    x = 22,448.51

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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.