Home / 26,283.74-39,430.80-9,643.92

Finding the Fourth Proportional to 26,283.74, 39,430.80 and 9,643.92

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Solution

The fourth proportional to 26,283.74, 39,430.80 and 9,643.92 is: 14,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,283.74 : 39,430.80 = 9,643.92 : x
  2. Step 2: Convert to fraction form
    26,283.74/39,430.80 = 9,643.92/x
  3. Step 3: Cross multiply
    26,283.74x = 39,430.80 × 9,643.92
  4. Step 4: Simplify right side
    26,283.74x = 380,267,480.74
  5. Step 5: Solve for x
    x = 380,267,480.74/26,283.74
  6. Step 6: Final answer
    x = 14,467.78

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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.