Home / 28,516.49-42,771.08-11,873.42

Finding the Fourth Proportional to 28,516.49, 42,771.08 and 11,873.42

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Solution

The fourth proportional to 28,516.49, 42,771.08 and 11,873.42 is: 17,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.49 : 42,771.08 = 11,873.42 : x
  2. Step 2: Convert to fraction form
    28,516.49/42,771.08 = 11,873.42/x
  3. Step 3: Cross multiply
    28,516.49x = 42,771.08 × 11,873.42
  4. Step 4: Simplify right side
    28,516.49x = 507,838,723.47
  5. Step 5: Solve for x
    x = 507,838,723.47/28,516.49
  6. Step 6: Final answer
    x = 17,808.60

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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.