Home / 38,826.81-58,225.47-13,862.21

Finding the Fourth Proportional to 38,826.81, 58,225.47 and 13,862.21

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Solution

The fourth proportional to 38,826.81, 58,225.47 and 13,862.21 is: 20,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826.81 : 58,225.47 = 13,862.21 : x
  2. Step 2: Convert to fraction form
    38,826.81/58,225.47 = 13,862.21/x
  3. Step 3: Cross multiply
    38,826.81x = 58,225.47 × 13,862.21
  4. Step 4: Simplify right side
    38,826.81x = 807,133,401.36
  5. Step 5: Solve for x
    x = 807,133,401.36/38,826.81
  6. Step 6: Final answer
    x = 20,788.04

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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.