Home / 23,649.72-35,488.40-13,128.60

Finding the Fourth Proportional to 23,649.72, 35,488.40 and 13,128.60

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Solution

The fourth proportional to 23,649.72, 35,488.40 and 13,128.60 is: 19,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,649.72 : 35,488.40 = 13,128.60 : x
  2. Step 2: Convert to fraction form
    23,649.72/35,488.40 = 13,128.60/x
  3. Step 3: Cross multiply
    23,649.72x = 35,488.40 × 13,128.60
  4. Step 4: Simplify right side
    23,649.72x = 465,913,008.24
  5. Step 5: Solve for x
    x = 465,913,008.24/23,649.72
  6. Step 6: Final answer
    x = 19,700.57

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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.