Home / 22,680.91-31,288.75-14,725.63

Finding the Fourth Proportional to 22,680.91, 31,288.75 and 14,725.63

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Solution

The fourth proportional to 22,680.91, 31,288.75 and 14,725.63 is: 20,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.91 : 31,288.75 = 14,725.63 : x
  2. Step 2: Convert to fraction form
    22,680.91/31,288.75 = 14,725.63/x
  3. Step 3: Cross multiply
    22,680.91x = 31,288.75 × 14,725.63
  4. Step 4: Simplify right side
    22,680.91x = 460,746,555.66
  5. Step 5: Solve for x
    x = 460,746,555.66/22,680.91
  6. Step 6: Final answer
    x = 20,314.29

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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.