Home / 26,041.48-39,064.05-12,890.32

Finding the Fourth Proportional to 26,041.48, 39,064.05 and 12,890.32

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Solution

The fourth proportional to 26,041.48, 39,064.05 and 12,890.32 is: 19,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,041.48 : 39,064.05 = 12,890.32 : x
  2. Step 2: Convert to fraction form
    26,041.48/39,064.05 = 12,890.32/x
  3. Step 3: Cross multiply
    26,041.48x = 39,064.05 × 12,890.32
  4. Step 4: Simplify right side
    26,041.48x = 503,548,007.34
  5. Step 5: Solve for x
    x = 503,548,007.34/26,041.48
  6. Step 6: Final answer
    x = 19,336.38

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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.