Home / 28,366.13-42,555.32-8,644.16

Finding the Fourth Proportional to 28,366.13, 42,555.32 and 8,644.16

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Solution

The fourth proportional to 28,366.13, 42,555.32 and 8,644.16 is: 12,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.13 : 42,555.32 = 8,644.16 : x
  2. Step 2: Convert to fraction form
    28,366.13/42,555.32 = 8,644.16/x
  3. Step 3: Cross multiply
    28,366.13x = 42,555.32 × 8,644.16
  4. Step 4: Simplify right side
    28,366.13x = 367,854,738.93
  5. Step 5: Solve for x
    x = 367,854,738.93/28,366.13
  6. Step 6: Final answer
    x = 12,968.10

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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.