Home / 28,226.07-42,364.62-15,727.77

Finding the Fourth Proportional to 28,226.07, 42,364.62 and 15,727.77

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Solution

The fourth proportional to 28,226.07, 42,364.62 and 15,727.77 is: 23,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.07 : 42,364.62 = 15,727.77 : x
  2. Step 2: Convert to fraction form
    28,226.07/42,364.62 = 15,727.77/x
  3. Step 3: Cross multiply
    28,226.07x = 42,364.62 × 15,727.77
  4. Step 4: Simplify right side
    28,226.07x = 666,300,999.50
  5. Step 5: Solve for x
    x = 666,300,999.50/28,226.07
  6. Step 6: Final answer
    x = 23,605.87

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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.