Home / 22,927.73-31,641.77-12,856.81

Finding the Fourth Proportional to 22,927.73, 31,641.77 and 12,856.81

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Solution

The fourth proportional to 22,927.73, 31,641.77 and 12,856.81 is: 17,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.73 : 31,641.77 = 12,856.81 : x
  2. Step 2: Convert to fraction form
    22,927.73/31,641.77 = 12,856.81/x
  3. Step 3: Cross multiply
    22,927.73x = 31,641.77 × 12,856.81
  4. Step 4: Simplify right side
    22,927.73x = 406,812,237.32
  5. Step 5: Solve for x
    x = 406,812,237.32/22,927.73
  6. Step 6: Final answer
    x = 17,743.24

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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.