Home / 38,626.76-53,302.38-21,628.04

Finding the Fourth Proportional to 38,626.76, 53,302.38 and 21,628.04

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Solution

The fourth proportional to 38,626.76, 53,302.38 and 21,628.04 is: 29,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626.76 : 53,302.38 = 21,628.04 : x
  2. Step 2: Convert to fraction form
    38,626.76/53,302.38 = 21,628.04/x
  3. Step 3: Cross multiply
    38,626.76x = 53,302.38 × 21,628.04
  4. Step 4: Simplify right side
    38,626.76x = 1,152,826,006.74
  5. Step 5: Solve for x
    x = 1,152,826,006.74/38,626.76
  6. Step 6: Final answer
    x = 29,845.27

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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.