Home / 69,628.40-104,442.60-17,037.20

Finding the Fourth Proportional to 69,628.40, 104,442.60 and 17,037.20

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Solution

The fourth proportional to 69,628.40, 104,442.60 and 17,037.20 is: 25,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,628.40 : 104,442.60 = 17,037.20 : x
  2. Step 2: Convert to fraction form
    69,628.40/104,442.60 = 17,037.20/x
  3. Step 3: Cross multiply
    69,628.40x = 104,442.60 × 17,037.20
  4. Step 4: Simplify right side
    69,628.40x = 1,779,409,464.72
  5. Step 5: Solve for x
    x = 1,779,409,464.72/69,628.40
  6. Step 6: Final answer
    x = 25,555.80

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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.