Home / 28,840.32-39,798.10-16,264.26

Finding the Fourth Proportional to 28,840.32, 39,798.10 and 16,264.26

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Solution

The fourth proportional to 28,840.32, 39,798.10 and 16,264.26 is: 22,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.32 : 39,798.10 = 16,264.26 : x
  2. Step 2: Convert to fraction form
    28,840.32/39,798.10 = 16,264.26/x
  3. Step 3: Cross multiply
    28,840.32x = 39,798.10 × 16,264.26
  4. Step 4: Simplify right side
    28,840.32x = 647,286,645.91
  5. Step 5: Solve for x
    x = 647,286,645.91/28,840.32
  6. Step 6: Final answer
    x = 22,443.81

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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.