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Finding the Fourth Proportional to 23,636.61, 32,619.20 and 13,026.92

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Solution

The fourth proportional to 23,636.61, 32,619.20 and 13,026.92 is: 17,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,636.61 : 32,619.20 = 13,026.92 : x
  2. Step 2: Convert to fraction form
    23,636.61/32,619.20 = 13,026.92/x
  3. Step 3: Cross multiply
    23,636.61x = 32,619.20 × 13,026.92
  4. Step 4: Simplify right side
    23,636.61x = 424,927,643.73
  5. Step 5: Solve for x
    x = 424,927,643.73/23,636.61
  6. Step 6: Final answer
    x = 17,977.52

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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.