Home / 28,950.05-39,953-16,204.34

Finding the Fourth Proportional to 28,950.05, 39,953 and 16,204.34

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Solution

The fourth proportional to 28,950.05, 39,953 and 16,204.34 is: 22,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.05 : 39,953 = 16,204.34 : x
  2. Step 2: Convert to fraction form
    28,950.05/39,953 = 16,204.34/x
  3. Step 3: Cross multiply
    28,950.05x = 39,953 × 16,204.34
  4. Step 4: Simplify right side
    28,950.05x = 647,411,996.02
  5. Step 5: Solve for x
    x = 647,411,996.02/28,950.05
  6. Step 6: Final answer
    x = 22,363.07

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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.