Home / 28,588.64-42,894.71-11,952.19

Finding the Fourth Proportional to 28,588.64, 42,894.71 and 11,952.19

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Solution

The fourth proportional to 28,588.64, 42,894.71 and 11,952.19 is: 17,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.64 : 42,894.71 = 11,952.19 : x
  2. Step 2: Convert to fraction form
    28,588.64/42,894.71 = 11,952.19/x
  3. Step 3: Cross multiply
    28,588.64x = 42,894.71 × 11,952.19
  4. Step 4: Simplify right side
    28,588.64x = 512,685,449.68
  5. Step 5: Solve for x
    x = 512,685,449.68/28,588.64
  6. Step 6: Final answer
    x = 17,933.19

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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.