Home / 20,389.41-30,582.75-5,597.10

Finding the Fourth Proportional to 20,389.41, 30,582.75 and 5,597.10

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Solution

The fourth proportional to 20,389.41, 30,582.75 and 5,597.10 is: 8,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389.41 : 30,582.75 = 5,597.10 : x
  2. Step 2: Convert to fraction form
    20,389.41/30,582.75 = 5,597.10/x
  3. Step 3: Cross multiply
    20,389.41x = 30,582.75 × 5,597.10
  4. Step 4: Simplify right side
    20,389.41x = 171,174,710.03
  5. Step 5: Solve for x
    x = 171,174,710.03/20,389.41
  6. Step 6: Final answer
    x = 8,395.28

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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.