Home / 23,651.12-35,428.19-18,945.63

Finding the Fourth Proportional to 23,651.12, 35,428.19 and 18,945.63

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Solution

The fourth proportional to 23,651.12, 35,428.19 and 18,945.63 is: 28,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,651.12 : 35,428.19 = 18,945.63 : x
  2. Step 2: Convert to fraction form
    23,651.12/35,428.19 = 18,945.63/x
  3. Step 3: Cross multiply
    23,651.12x = 35,428.19 × 18,945.63
  4. Step 4: Simplify right side
    23,651.12x = 671,209,284.58
  5. Step 5: Solve for x
    x = 671,209,284.58/23,651.12
  6. Step 6: Final answer
    x = 28,379.60

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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.