Home / 18,482.08-27,681.60-14,292.64

Finding the Fourth Proportional to 18,482.08, 27,681.60 and 14,292.64

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Solution

The fourth proportional to 18,482.08, 27,681.60 and 14,292.64 is: 21,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.08 : 27,681.60 = 14,292.64 : x
  2. Step 2: Convert to fraction form
    18,482.08/27,681.60 = 14,292.64/x
  3. Step 3: Cross multiply
    18,482.08x = 27,681.60 × 14,292.64
  4. Step 4: Simplify right side
    18,482.08x = 395,643,143.42
  5. Step 5: Solve for x
    x = 395,643,143.42/18,482.08
  6. Step 6: Final answer
    x = 21,406.85

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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.