Home / 28,330.68-42,501.08-11,681.44

Finding the Fourth Proportional to 28,330.68, 42,501.08 and 11,681.44

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Solution

The fourth proportional to 28,330.68, 42,501.08 and 11,681.44 is: 17,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.68 : 42,501.08 = 11,681.44 : x
  2. Step 2: Convert to fraction form
    28,330.68/42,501.08 = 11,681.44/x
  3. Step 3: Cross multiply
    28,330.68x = 42,501.08 × 11,681.44
  4. Step 4: Simplify right side
    28,330.68x = 496,473,815.96
  5. Step 5: Solve for x
    x = 496,473,815.96/28,330.68
  6. Step 6: Final answer
    x = 17,524.25

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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.