Home / 42,858.86-59,135.67-25,865.87

Finding the Fourth Proportional to 42,858.86, 59,135.67 and 25,865.87

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Solution

The fourth proportional to 42,858.86, 59,135.67 and 25,865.87 is: 35,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.86 : 59,135.67 = 25,865.87 : x
  2. Step 2: Convert to fraction form
    42,858.86/59,135.67 = 25,865.87/x
  3. Step 3: Cross multiply
    42,858.86x = 59,135.67 × 25,865.87
  4. Step 4: Simplify right side
    42,858.86x = 1,529,595,256.90
  5. Step 5: Solve for x
    x = 1,529,595,256.90/42,858.86
  6. Step 6: Final answer
    x = 35,689.13

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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.