Home / 28,899.86-43,064.06-25,956.45

Finding the Fourth Proportional to 28,899.86, 43,064.06 and 25,956.45

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Solution

The fourth proportional to 28,899.86, 43,064.06 and 25,956.45 is: 38,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.86 : 43,064.06 = 25,956.45 : x
  2. Step 2: Convert to fraction form
    28,899.86/43,064.06 = 25,956.45/x
  3. Step 3: Cross multiply
    28,899.86x = 43,064.06 × 25,956.45
  4. Step 4: Simplify right side
    28,899.86x = 1,117,789,990.40
  5. Step 5: Solve for x
    x = 1,117,789,990.40/28,899.86
  6. Step 6: Final answer
    x = 38,678.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.