Home / 28,405.92-42,607.32-8,682.93

Finding the Fourth Proportional to 28,405.92, 42,607.32 and 8,682.93

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Solution

The fourth proportional to 28,405.92, 42,607.32 and 8,682.93 is: 13,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.92 : 42,607.32 = 8,682.93 : x
  2. Step 2: Convert to fraction form
    28,405.92/42,607.32 = 8,682.93/x
  3. Step 3: Cross multiply
    28,405.92x = 42,607.32 × 8,682.93
  4. Step 4: Simplify right side
    28,405.92x = 369,956,344.49
  5. Step 5: Solve for x
    x = 369,956,344.49/28,405.92
  6. Step 6: Final answer
    x = 13,023.92

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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.