Home / 22,888.08-31,582.94-12,815.12

Finding the Fourth Proportional to 22,888.08, 31,582.94 and 12,815.12

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Solution

The fourth proportional to 22,888.08, 31,582.94 and 12,815.12 is: 17,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.08 : 31,582.94 = 12,815.12 : x
  2. Step 2: Convert to fraction form
    22,888.08/31,582.94 = 12,815.12/x
  3. Step 3: Cross multiply
    22,888.08x = 31,582.94 × 12,815.12
  4. Step 4: Simplify right side
    22,888.08x = 404,739,166.05
  5. Step 5: Solve for x
    x = 404,739,166.05/22,888.08
  6. Step 6: Final answer
    x = 17,683.40

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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.