Home / 28,633.34-39,514.35-15,886.76

Finding the Fourth Proportional to 28,633.34, 39,514.35 and 15,886.76

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Solution

The fourth proportional to 28,633.34, 39,514.35 and 15,886.76 is: 21,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.34 : 39,514.35 = 15,886.76 : x
  2. Step 2: Convert to fraction form
    28,633.34/39,514.35 = 15,886.76/x
  3. Step 3: Cross multiply
    28,633.34x = 39,514.35 × 15,886.76
  4. Step 4: Simplify right side
    28,633.34x = 627,754,995.01
  5. Step 5: Solve for x
    x = 627,754,995.01/28,633.34
  6. Step 6: Final answer
    x = 21,923.92

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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.