Home / 28,031.30-42,105.45-23,657.30

Finding the Fourth Proportional to 28,031.30, 42,105.45 and 23,657.30

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Solution

The fourth proportional to 28,031.30, 42,105.45 and 23,657.30 is: 35,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.30 : 42,105.45 = 23,657.30 : x
  2. Step 2: Convert to fraction form
    28,031.30/42,105.45 = 23,657.30/x
  3. Step 3: Cross multiply
    28,031.30x = 42,105.45 × 23,657.30
  4. Step 4: Simplify right side
    28,031.30x = 996,101,262.29
  5. Step 5: Solve for x
    x = 996,101,262.29/28,031.30
  6. Step 6: Final answer
    x = 35,535.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.