Home / 18,635.68-27,904.64-15,666.80

Finding the Fourth Proportional to 18,635.68, 27,904.64 and 15,666.80

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Solution

The fourth proportional to 18,635.68, 27,904.64 and 15,666.80 is: 23,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.68 : 27,904.64 = 15,666.80 : x
  2. Step 2: Convert to fraction form
    18,635.68/27,904.64 = 15,666.80/x
  3. Step 3: Cross multiply
    18,635.68x = 27,904.64 × 15,666.80
  4. Step 4: Simplify right side
    18,635.68x = 437,176,413.95
  5. Step 5: Solve for x
    x = 437,176,413.95/18,635.68
  6. Step 6: Final answer
    x = 23,459.11

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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.