Home / 23,900.10-32,982.51-13,145.45

Finding the Fourth Proportional to 23,900.10, 32,982.51 and 13,145.45

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Solution

The fourth proportional to 23,900.10, 32,982.51 and 13,145.45 is: 18,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.10 : 32,982.51 = 13,145.45 : x
  2. Step 2: Convert to fraction form
    23,900.10/32,982.51 = 13,145.45/x
  3. Step 3: Cross multiply
    23,900.10x = 32,982.51 × 13,145.45
  4. Step 4: Simplify right side
    23,900.10x = 433,569,771.17
  5. Step 5: Solve for x
    x = 433,569,771.17/23,900.10
  6. Step 6: Final answer
    x = 18,140.92

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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.