Home / 28,230.36-38,966.52-16,301.52

Finding the Fourth Proportional to 28,230.36, 38,966.52 and 16,301.52

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Solution

The fourth proportional to 28,230.36, 38,966.52 and 16,301.52 is: 22,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.36 : 38,966.52 = 16,301.52 : x
  2. Step 2: Convert to fraction form
    28,230.36/38,966.52 = 16,301.52/x
  3. Step 3: Cross multiply
    28,230.36x = 38,966.52 × 16,301.52
  4. Step 4: Simplify right side
    28,230.36x = 635,213,505.11
  5. Step 5: Solve for x
    x = 635,213,505.11/28,230.36
  6. Step 6: Final answer
    x = 22,501.08

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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.