Home / 26,156.34-39,228.01-10,355.95

Finding the Fourth Proportional to 26,156.34, 39,228.01 and 10,355.95

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Solution

The fourth proportional to 26,156.34, 39,228.01 and 10,355.95 is: 15,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.34 : 39,228.01 = 10,355.95 : x
  2. Step 2: Convert to fraction form
    26,156.34/39,228.01 = 10,355.95/x
  3. Step 3: Cross multiply
    26,156.34x = 39,228.01 × 10,355.95
  4. Step 4: Simplify right side
    26,156.34x = 406,243,114.02
  5. Step 5: Solve for x
    x = 406,243,114.02/26,156.34
  6. Step 6: Final answer
    x = 15,531.35

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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.