Home / 23,628.30-35,442.45-20,712.30

Finding the Fourth Proportional to 23,628.30, 35,442.45 and 20,712.30

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Solution

The fourth proportional to 23,628.30, 35,442.45 and 20,712.30 is: 31,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,628.30 : 35,442.45 = 20,712.30 : x
  2. Step 2: Convert to fraction form
    23,628.30/35,442.45 = 20,712.30/x
  3. Step 3: Cross multiply
    23,628.30x = 35,442.45 × 20,712.30
  4. Step 4: Simplify right side
    23,628.30x = 734,094,657.14
  5. Step 5: Solve for x
    x = 734,094,657.14/23,628.30
  6. Step 6: Final answer
    x = 31,068.45

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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.