Home / 38,527.79-57,808.38-13,585.66

Finding the Fourth Proportional to 38,527.79, 57,808.38 and 13,585.66

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Solution

The fourth proportional to 38,527.79, 57,808.38 and 13,585.66 is: 20,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.79 : 57,808.38 = 13,585.66 : x
  2. Step 2: Convert to fraction form
    38,527.79/57,808.38 = 13,585.66/x
  3. Step 3: Cross multiply
    38,527.79x = 57,808.38 × 13,585.66
  4. Step 4: Simplify right side
    38,527.79x = 785,364,706.79
  5. Step 5: Solve for x
    x = 785,364,706.79/38,527.79
  6. Step 6: Final answer
    x = 20,384.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.