Home / 28,092.26-38,758.02-18,536.89

Finding the Fourth Proportional to 28,092.26, 38,758.02 and 18,536.89

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Solution

The fourth proportional to 28,092.26, 38,758.02 and 18,536.89 is: 25,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.26 : 38,758.02 = 18,536.89 : x
  2. Step 2: Convert to fraction form
    28,092.26/38,758.02 = 18,536.89/x
  3. Step 3: Cross multiply
    28,092.26x = 38,758.02 × 18,536.89
  4. Step 4: Simplify right side
    28,092.26x = 718,453,153.36
  5. Step 5: Solve for x
    x = 718,453,153.36/28,092.26
  6. Step 6: Final answer
    x = 25,574.77

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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.