Home / 25,383.60-38,075.40-17,089.20

Finding the Fourth Proportional to 25,383.60, 38,075.40 and 17,089.20

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Solution

The fourth proportional to 25,383.60, 38,075.40 and 17,089.20 is: 25,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.60 : 38,075.40 = 17,089.20 : x
  2. Step 2: Convert to fraction form
    25,383.60/38,075.40 = 17,089.20/x
  3. Step 3: Cross multiply
    25,383.60x = 38,075.40 × 17,089.20
  4. Step 4: Simplify right side
    25,383.60x = 650,678,125.68
  5. Step 5: Solve for x
    x = 650,678,125.68/25,383.60
  6. Step 6: Final answer
    x = 25,633.80

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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.