Home / 23,820.68-32,872.02-13,210.28

Finding the Fourth Proportional to 23,820.68, 32,872.02 and 13,210.28

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Solution

The fourth proportional to 23,820.68, 32,872.02 and 13,210.28 is: 18,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.68 : 32,872.02 = 13,210.28 : x
  2. Step 2: Convert to fraction form
    23,820.68/32,872.02 = 13,210.28/x
  3. Step 3: Cross multiply
    23,820.68x = 32,872.02 × 13,210.28
  4. Step 4: Simplify right side
    23,820.68x = 434,248,588.37
  5. Step 5: Solve for x
    x = 434,248,588.37/23,820.68
  6. Step 6: Final answer
    x = 18,229.90

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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.