Home / 28,447.64-42,588.79-16,565.14

Finding the Fourth Proportional to 28,447.64, 42,588.79 and 16,565.14

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Solution

The fourth proportional to 28,447.64, 42,588.79 and 16,565.14 is: 24,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.64 : 42,588.79 = 16,565.14 : x
  2. Step 2: Convert to fraction form
    28,447.64/42,588.79 = 16,565.14/x
  3. Step 3: Cross multiply
    28,447.64x = 42,588.79 × 16,565.14
  4. Step 4: Simplify right side
    28,447.64x = 705,489,280.60
  5. Step 5: Solve for x
    x = 705,489,280.60/28,447.64
  6. Step 6: Final answer
    x = 24,799.57

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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.