Home / 28,934.94-39,931.35-16,998.17

Finding the Fourth Proportional to 28,934.94, 39,931.35 and 16,998.17

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Solution

The fourth proportional to 28,934.94, 39,931.35 and 16,998.17 is: 23,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.94 : 39,931.35 = 16,998.17 : x
  2. Step 2: Convert to fraction form
    28,934.94/39,931.35 = 16,998.17/x
  3. Step 3: Cross multiply
    28,934.94x = 39,931.35 × 16,998.17
  4. Step 4: Simplify right side
    28,934.94x = 678,759,790.64
  5. Step 5: Solve for x
    x = 678,759,790.64/28,934.94
  6. Step 6: Final answer
    x = 23,458.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.