Home / 23,890.05-35,785.80-13,999.35

Finding the Fourth Proportional to 23,890.05, 35,785.80 and 13,999.35

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Solution

The fourth proportional to 23,890.05, 35,785.80 and 13,999.35 is: 20,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890.05 : 35,785.80 = 13,999.35 : x
  2. Step 2: Convert to fraction form
    23,890.05/35,785.80 = 13,999.35/x
  3. Step 3: Cross multiply
    23,890.05x = 35,785.80 × 13,999.35
  4. Step 4: Simplify right side
    23,890.05x = 500,977,939.23
  5. Step 5: Solve for x
    x = 500,977,939.23/23,890.05
  6. Step 6: Final answer
    x = 20,970.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.