Home / 28,756.24-43,108.80-11,222.08

Finding the Fourth Proportional to 28,756.24, 43,108.80 and 11,222.08

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Solution

The fourth proportional to 28,756.24, 43,108.80 and 11,222.08 is: 16,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.24 : 43,108.80 = 11,222.08 : x
  2. Step 2: Convert to fraction form
    28,756.24/43,108.80 = 11,222.08/x
  3. Step 3: Cross multiply
    28,756.24x = 43,108.80 × 11,222.08
  4. Step 4: Simplify right side
    28,756.24x = 483,770,402.30
  5. Step 5: Solve for x
    x = 483,770,402.30/28,756.24
  6. Step 6: Final answer
    x = 16,823.15

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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.