Home / 28,434.54-39,243.38-16,501.62

Finding the Fourth Proportional to 28,434.54, 39,243.38 and 16,501.62

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Solution

The fourth proportional to 28,434.54, 39,243.38 and 16,501.62 is: 22,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.54 : 39,243.38 = 16,501.62 : x
  2. Step 2: Convert to fraction form
    28,434.54/39,243.38 = 16,501.62/x
  3. Step 3: Cross multiply
    28,434.54x = 39,243.38 × 16,501.62
  4. Step 4: Simplify right side
    28,434.54x = 647,579,261.77
  5. Step 5: Solve for x
    x = 647,579,261.77/28,434.54
  6. Step 6: Final answer
    x = 22,774.39

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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.