Home / 19,904.80-27,466.32-13,626.40

Finding the Fourth Proportional to 19,904.80, 27,466.32 and 13,626.40

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Solution

The fourth proportional to 19,904.80, 27,466.32 and 13,626.40 is: 18,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.80 : 27,466.32 = 13,626.40 : x
  2. Step 2: Convert to fraction form
    19,904.80/27,466.32 = 13,626.40/x
  3. Step 3: Cross multiply
    19,904.80x = 27,466.32 × 13,626.40
  4. Step 4: Simplify right side
    19,904.80x = 374,267,062.85
  5. Step 5: Solve for x
    x = 374,267,062.85/19,904.80
  6. Step 6: Final answer
    x = 18,802.85

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1.5x scale

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.