Home / 23,810.80-32,857.56-13,200.40

Finding the Fourth Proportional to 23,810.80, 32,857.56 and 13,200.40

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Solution

The fourth proportional to 23,810.80, 32,857.56 and 13,200.40 is: 18,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,810.80 : 32,857.56 = 13,200.40 : x
  2. Step 2: Convert to fraction form
    23,810.80/32,857.56 = 13,200.40/x
  3. Step 3: Cross multiply
    23,810.80x = 32,857.56 × 13,200.40
  4. Step 4: Simplify right side
    23,810.80x = 433,732,935.02
  5. Step 5: Solve for x
    x = 433,732,935.02/23,810.80
  6. Step 6: Final answer
    x = 18,215.81

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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.