Home / 28,930.51-39,924.26-16,838.16

Finding the Fourth Proportional to 28,930.51, 39,924.26 and 16,838.16

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Solution

The fourth proportional to 28,930.51, 39,924.26 and 16,838.16 is: 23,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.51 : 39,924.26 = 16,838.16 : x
  2. Step 2: Convert to fraction form
    28,930.51/39,924.26 = 16,838.16/x
  3. Step 3: Cross multiply
    28,930.51x = 39,924.26 × 16,838.16
  4. Step 4: Simplify right side
    28,930.51x = 672,251,077.76
  5. Step 5: Solve for x
    x = 672,251,077.76/28,930.51
  6. Step 6: Final answer
    x = 23,236.75

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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.