Home / 22,946.72-31,577.84-21,059.92

Finding the Fourth Proportional to 22,946.72, 31,577.84 and 21,059.92

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Solution

The fourth proportional to 22,946.72, 31,577.84 and 21,059.92 is: 28,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.72 : 31,577.84 = 21,059.92 : x
  2. Step 2: Convert to fraction form
    22,946.72/31,577.84 = 21,059.92/x
  3. Step 3: Cross multiply
    22,946.72x = 31,577.84 × 21,059.92
  4. Step 4: Simplify right side
    22,946.72x = 665,026,784.17
  5. Step 5: Solve for x
    x = 665,026,784.17/22,946.72
  6. Step 6: Final answer
    x = 28,981.34

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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.