Home / 21,826.36-32,772.36-13,100.32

Finding the Fourth Proportional to 21,826.36, 32,772.36 and 13,100.32

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Solution

The fourth proportional to 21,826.36, 32,772.36 and 13,100.32 is: 19,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.36 : 32,772.36 = 13,100.32 : x
  2. Step 2: Convert to fraction form
    21,826.36/32,772.36 = 13,100.32/x
  3. Step 3: Cross multiply
    21,826.36x = 32,772.36 × 13,100.32
  4. Step 4: Simplify right side
    21,826.36x = 429,328,403.16
  5. Step 5: Solve for x
    x = 429,328,403.16/21,826.36
  6. Step 6: Final answer
    x = 19,670.18

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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.