Home / 28,043.52-38,698.69-16,712.77

Finding the Fourth Proportional to 28,043.52, 38,698.69 and 16,712.77

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Solution

The fourth proportional to 28,043.52, 38,698.69 and 16,712.77 is: 23,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.52 : 38,698.69 = 16,712.77 : x
  2. Step 2: Convert to fraction form
    28,043.52/38,698.69 = 16,712.77/x
  3. Step 3: Cross multiply
    28,043.52x = 38,698.69 × 16,712.77
  4. Step 4: Simplify right side
    28,043.52x = 646,762,305.27
  5. Step 5: Solve for x
    x = 646,762,305.27/28,043.52
  6. Step 6: Final answer
    x = 23,062.81

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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.