Home / 25,320.36-37,943.58-17,920.80

Finding the Fourth Proportional to 25,320.36, 37,943.58 and 17,920.80

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Solution

The fourth proportional to 25,320.36, 37,943.58 and 17,920.80 is: 26,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.36 : 37,943.58 = 17,920.80 : x
  2. Step 2: Convert to fraction form
    25,320.36/37,943.58 = 17,920.80/x
  3. Step 3: Cross multiply
    25,320.36x = 37,943.58 × 17,920.80
  4. Step 4: Simplify right side
    25,320.36x = 679,979,308.46
  5. Step 5: Solve for x
    x = 679,979,308.46/25,320.36
  6. Step 6: Final answer
    x = 26,855.04

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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.