Home / 53,186.28-73,396.05-28,987.44

Finding the Fourth Proportional to 53,186.28, 73,396.05 and 28,987.44

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Solution

The fourth proportional to 53,186.28, 73,396.05 and 28,987.44 is: 40,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.28 : 73,396.05 = 28,987.44 : x
  2. Step 2: Convert to fraction form
    53,186.28/73,396.05 = 28,987.44/x
  3. Step 3: Cross multiply
    53,186.28x = 73,396.05 × 28,987.44
  4. Step 4: Simplify right side
    53,186.28x = 2,127,563,595.61
  5. Step 5: Solve for x
    x = 2,127,563,595.61/53,186.28
  6. Step 6: Final answer
    x = 40,002.11

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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.