Home / 28,582-39,443.17-16,006.75

Finding the Fourth Proportional to 28,582, 39,443.17 and 16,006.75

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Solution

The fourth proportional to 28,582, 39,443.17 and 16,006.75 is: 22,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582 : 39,443.17 = 16,006.75 : x
  2. Step 2: Convert to fraction form
    28,582/39,443.17 = 16,006.75/x
  3. Step 3: Cross multiply
    28,582x = 39,443.17 × 16,006.75
  4. Step 4: Simplify right side
    28,582x = 631,356,961.40
  5. Step 5: Solve for x
    x = 631,356,961.40/28,582
  6. Step 6: Final answer
    x = 22,089.32

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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.