Home / 26,203.47-39,293.07-8,430.82

Finding the Fourth Proportional to 26,203.47, 39,293.07 and 8,430.82

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Solution

The fourth proportional to 26,203.47, 39,293.07 and 8,430.82 is: 12,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.47 : 39,293.07 = 8,430.82 : x
  2. Step 2: Convert to fraction form
    26,203.47/39,293.07 = 8,430.82/x
  3. Step 3: Cross multiply
    26,203.47x = 39,293.07 × 8,430.82
  4. Step 4: Simplify right side
    26,203.47x = 331,272,670.57
  5. Step 5: Solve for x
    x = 331,272,670.57/26,203.47
  6. Step 6: Final answer
    x = 12,642.32

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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.