Home / 25,777.60-38,666.40-17,022.40

Finding the Fourth Proportional to 25,777.60, 38,666.40 and 17,022.40

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Solution

The fourth proportional to 25,777.60, 38,666.40 and 17,022.40 is: 25,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.60 : 38,666.40 = 17,022.40 : x
  2. Step 2: Convert to fraction form
    25,777.60/38,666.40 = 17,022.40/x
  3. Step 3: Cross multiply
    25,777.60x = 38,666.40 × 17,022.40
  4. Step 4: Simplify right side
    25,777.60x = 658,194,927.36
  5. Step 5: Solve for x
    x = 658,194,927.36/25,777.60
  6. Step 6: Final answer
    x = 25,533.60

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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.