Home / 22,482.70-31,030.66-12,929.27

Finding the Fourth Proportional to 22,482.70, 31,030.66 and 12,929.27

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Solution

The fourth proportional to 22,482.70, 31,030.66 and 12,929.27 is: 17,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.70 : 31,030.66 = 12,929.27 : x
  2. Step 2: Convert to fraction form
    22,482.70/31,030.66 = 12,929.27/x
  3. Step 3: Cross multiply
    22,482.70x = 31,030.66 × 12,929.27
  4. Step 4: Simplify right side
    22,482.70x = 401,203,569.70
  5. Step 5: Solve for x
    x = 401,203,569.70/22,482.70
  6. Step 6: Final answer
    x = 17,844.99

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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.