Home / 38,829.16-58,256.14-13,868.68

Finding the Fourth Proportional to 38,829.16, 58,256.14 and 13,868.68

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Solution

The fourth proportional to 38,829.16, 58,256.14 and 13,868.68 is: 20,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.16 : 58,256.14 = 13,868.68 : x
  2. Step 2: Convert to fraction form
    38,829.16/58,256.14 = 13,868.68/x
  3. Step 3: Cross multiply
    38,829.16x = 58,256.14 × 13,868.68
  4. Step 4: Simplify right side
    38,829.16x = 807,935,763.70
  5. Step 5: Solve for x
    x = 807,935,763.70/38,829.16
  6. Step 6: Final answer
    x = 20,807.45

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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.