Home / 38,527.47-53,162.73-21,529.62

Finding the Fourth Proportional to 38,527.47, 53,162.73 and 21,529.62

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Solution

The fourth proportional to 38,527.47, 53,162.73 and 21,529.62 is: 29,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.47 : 53,162.73 = 21,529.62 : x
  2. Step 2: Convert to fraction form
    38,527.47/53,162.73 = 21,529.62/x
  3. Step 3: Cross multiply
    38,527.47x = 53,162.73 × 21,529.62
  4. Step 4: Simplify right side
    38,527.47x = 1,144,573,375.06
  5. Step 5: Solve for x
    x = 1,144,573,375.06/38,527.47
  6. Step 6: Final answer
    x = 29,707.98

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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.