Home / 28,707.77-43,066.28-9,993.13

Finding the Fourth Proportional to 28,707.77, 43,066.28 and 9,993.13

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Solution

The fourth proportional to 28,707.77, 43,066.28 and 9,993.13 is: 14,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.77 : 43,066.28 = 9,993.13 : x
  2. Step 2: Convert to fraction form
    28,707.77/43,066.28 = 9,993.13/x
  3. Step 3: Cross multiply
    28,707.77x = 43,066.28 × 9,993.13
  4. Step 4: Simplify right side
    28,707.77x = 430,366,934.66
  5. Step 5: Solve for x
    x = 430,366,934.66/28,707.77
  6. Step 6: Final answer
    x = 14,991.30

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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.