Home / 28,699.05-42,922.66-25,558.63

Finding the Fourth Proportional to 28,699.05, 42,922.66 and 25,558.63

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Solution

The fourth proportional to 28,699.05, 42,922.66 and 25,558.63 is: 38,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.05 : 42,922.66 = 25,558.63 : x
  2. Step 2: Convert to fraction form
    28,699.05/42,922.66 = 25,558.63/x
  3. Step 3: Cross multiply
    28,699.05x = 42,922.66 × 25,558.63
  4. Step 4: Simplify right side
    28,699.05x = 1,097,044,385.56
  5. Step 5: Solve for x
    x = 1,097,044,385.56/28,699.05
  6. Step 6: Final answer
    x = 38,225.81

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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.