Home / 28,230.66-42,345.99-15,043.05

Finding the Fourth Proportional to 28,230.66, 42,345.99 and 15,043.05

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Solution

The fourth proportional to 28,230.66, 42,345.99 and 15,043.05 is: 22,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.66 : 42,345.99 = 15,043.05 : x
  2. Step 2: Convert to fraction form
    28,230.66/42,345.99 = 15,043.05/x
  3. Step 3: Cross multiply
    28,230.66x = 42,345.99 × 15,043.05
  4. Step 4: Simplify right side
    28,230.66x = 637,012,844.87
  5. Step 5: Solve for x
    x = 637,012,844.87/28,230.66
  6. Step 6: Final answer
    x = 22,564.58

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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.