Home / 22,812.61-31,252.75-21,959.77

Finding the Fourth Proportional to 22,812.61, 31,252.75 and 21,959.77

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Solution

The fourth proportional to 22,812.61, 31,252.75 and 21,959.77 is: 30,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.61 : 31,252.75 = 21,959.77 : x
  2. Step 2: Convert to fraction form
    22,812.61/31,252.75 = 21,959.77/x
  3. Step 3: Cross multiply
    22,812.61x = 31,252.75 × 21,959.77
  4. Step 4: Simplify right side
    22,812.61x = 686,303,068.84
  5. Step 5: Solve for x
    x = 686,303,068.84/22,812.61
  6. Step 6: Final answer
    x = 30,084.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.