Home / 23,715.11-32,726.80-13,643.30

Finding the Fourth Proportional to 23,715.11, 32,726.80 and 13,643.30

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Solution

The fourth proportional to 23,715.11, 32,726.80 and 13,643.30 is: 18,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.11 : 32,726.80 = 13,643.30 : x
  2. Step 2: Convert to fraction form
    23,715.11/32,726.80 = 13,643.30/x
  3. Step 3: Cross multiply
    23,715.11x = 32,726.80 × 13,643.30
  4. Step 4: Simplify right side
    23,715.11x = 446,501,550.44
  5. Step 5: Solve for x
    x = 446,501,550.44/23,715.11
  6. Step 6: Final answer
    x = 18,827.72

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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.