Home / 28,837.22-43,218.15-14,785.34

Finding the Fourth Proportional to 28,837.22, 43,218.15 and 14,785.34

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Solution

The fourth proportional to 28,837.22, 43,218.15 and 14,785.34 is: 22,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.22 : 43,218.15 = 14,785.34 : x
  2. Step 2: Convert to fraction form
    28,837.22/43,218.15 = 14,785.34/x
  3. Step 3: Cross multiply
    28,837.22x = 43,218.15 × 14,785.34
  4. Step 4: Simplify right side
    28,837.22x = 638,995,041.92
  5. Step 5: Solve for x
    x = 638,995,041.92/28,837.22
  6. Step 6: Final answer
    x = 22,158.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.