Home / 35,715.20-53,551.04-15,990.08

Finding the Fourth Proportional to 35,715.20, 53,551.04 and 15,990.08

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Solution

The fourth proportional to 35,715.20, 53,551.04 and 15,990.08 is: 23,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,715.20 : 53,551.04 = 15,990.08 : x
  2. Step 2: Convert to fraction form
    35,715.20/53,551.04 = 15,990.08/x
  3. Step 3: Cross multiply
    35,715.20x = 53,551.04 × 15,990.08
  4. Step 4: Simplify right side
    35,715.20x = 856,285,413.68
  5. Step 5: Solve for x
    x = 856,285,413.68/35,715.20
  6. Step 6: Final answer
    x = 23,975.38

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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.