Home / 23,439.09-32,271.03-18,977.61

Finding the Fourth Proportional to 23,439.09, 32,271.03 and 18,977.61

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Solution

The fourth proportional to 23,439.09, 32,271.03 and 18,977.61 is: 26,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,439.09 : 32,271.03 = 18,977.61 : x
  2. Step 2: Convert to fraction form
    23,439.09/32,271.03 = 18,977.61/x
  3. Step 3: Cross multiply
    23,439.09x = 32,271.03 × 18,977.61
  4. Step 4: Simplify right side
    23,439.09x = 612,427,021.64
  5. Step 5: Solve for x
    x = 612,427,021.64/23,439.09
  6. Step 6: Final answer
    x = 26,128.45

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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.