Home / 28,583.10-42,878.07-10,816.56

Finding the Fourth Proportional to 28,583.10, 42,878.07 and 10,816.56

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Solution

The fourth proportional to 28,583.10, 42,878.07 and 10,816.56 is: 16,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.10 : 42,878.07 = 10,816.56 : x
  2. Step 2: Convert to fraction form
    28,583.10/42,878.07 = 10,816.56/x
  3. Step 3: Cross multiply
    28,583.10x = 42,878.07 × 10,816.56
  4. Step 4: Simplify right side
    28,583.10x = 463,793,216.84
  5. Step 5: Solve for x
    x = 463,793,216.84/28,583.10
  6. Step 6: Final answer
    x = 16,226.13

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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.