Home / 26,369.18-39,563.50-13,888.70

Finding the Fourth Proportional to 26,369.18, 39,563.50 and 13,888.70

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Solution

The fourth proportional to 26,369.18, 39,563.50 and 13,888.70 is: 20,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.18 : 39,563.50 = 13,888.70 : x
  2. Step 2: Convert to fraction form
    26,369.18/39,563.50 = 13,888.70/x
  3. Step 3: Cross multiply
    26,369.18x = 39,563.50 × 13,888.70
  4. Step 4: Simplify right side
    26,369.18x = 549,485,582.45
  5. Step 5: Solve for x
    x = 549,485,582.45/26,369.18
  6. Step 6: Final answer
    x = 20,838.17

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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.