Home / 23,721.08-32,729.16-13,509.80

Finding the Fourth Proportional to 23,721.08, 32,729.16 and 13,509.80

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Solution

The fourth proportional to 23,721.08, 32,729.16 and 13,509.80 is: 18,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.08 : 32,729.16 = 13,509.80 : x
  2. Step 2: Convert to fraction form
    23,721.08/32,729.16 = 13,509.80/x
  3. Step 3: Cross multiply
    23,721.08x = 32,729.16 × 13,509.80
  4. Step 4: Simplify right side
    23,721.08x = 442,164,405.77
  5. Step 5: Solve for x
    x = 442,164,405.77/23,721.08
  6. Step 6: Final answer
    x = 18,640.15

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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.