Home / 28,598.11-42,871.78-10,816.33

Finding the Fourth Proportional to 28,598.11, 42,871.78 and 10,816.33

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Solution

The fourth proportional to 28,598.11, 42,871.78 and 10,816.33 is: 16,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.11 : 42,871.78 = 10,816.33 : x
  2. Step 2: Convert to fraction form
    28,598.11/42,871.78 = 10,816.33/x
  3. Step 3: Cross multiply
    28,598.11x = 42,871.78 × 10,816.33
  4. Step 4: Simplify right side
    28,598.11x = 463,715,226.51
  5. Step 5: Solve for x
    x = 463,715,226.51/28,598.11
  6. Step 6: Final answer
    x = 16,214.89

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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.