Home / 28,298.88-39,042.48-16,190.52

Finding the Fourth Proportional to 28,298.88, 39,042.48 and 16,190.52

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Solution

The fourth proportional to 28,298.88, 39,042.48 and 16,190.52 is: 22,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.88 : 39,042.48 = 16,190.52 : x
  2. Step 2: Convert to fraction form
    28,298.88/39,042.48 = 16,190.52/x
  3. Step 3: Cross multiply
    28,298.88x = 39,042.48 × 16,190.52
  4. Step 4: Simplify right side
    28,298.88x = 632,118,053.29
  5. Step 5: Solve for x
    x = 632,118,053.29/28,298.88
  6. Step 6: Final answer
    x = 22,337.21

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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.