Home / 28,664.23-39,557.77-16,564.31

Finding the Fourth Proportional to 28,664.23, 39,557.77 and 16,564.31

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Solution

The fourth proportional to 28,664.23, 39,557.77 and 16,564.31 is: 22,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.23 : 39,557.77 = 16,564.31 : x
  2. Step 2: Convert to fraction form
    28,664.23/39,557.77 = 16,564.31/x
  3. Step 3: Cross multiply
    28,664.23x = 39,557.77 × 16,564.31
  4. Step 4: Simplify right side
    28,664.23x = 655,247,165.19
  5. Step 5: Solve for x
    x = 655,247,165.19/28,664.23
  6. Step 6: Final answer
    x = 22,859.41

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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.