Home / 28,987.24-43,486.33-10,980.86

Finding the Fourth Proportional to 28,987.24, 43,486.33 and 10,980.86

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Solution

The fourth proportional to 28,987.24, 43,486.33 and 10,980.86 is: 16,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.24 : 43,486.33 = 10,980.86 : x
  2. Step 2: Convert to fraction form
    28,987.24/43,486.33 = 10,980.86/x
  3. Step 3: Cross multiply
    28,987.24x = 43,486.33 × 10,980.86
  4. Step 4: Simplify right side
    28,987.24x = 477,517,289.45
  5. Step 5: Solve for x
    x = 477,517,289.45/28,987.24
  6. Step 6: Final answer
    x = 16,473.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.