Home / 22,879.04-31,572.90-12,807.45

Finding the Fourth Proportional to 22,879.04, 31,572.90 and 12,807.45

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Solution

The fourth proportional to 22,879.04, 31,572.90 and 12,807.45 is: 17,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.04 : 31,572.90 = 12,807.45 : x
  2. Step 2: Convert to fraction form
    22,879.04/31,572.90 = 12,807.45/x
  3. Step 3: Cross multiply
    22,879.04x = 31,572.90 × 12,807.45
  4. Step 4: Simplify right side
    22,879.04x = 404,368,338.11
  5. Step 5: Solve for x
    x = 404,368,338.11/22,879.04
  6. Step 6: Final answer
    x = 17,674.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.