Home / 38,998.86-58,492.08-10,915.89

Finding the Fourth Proportional to 38,998.86, 58,492.08 and 10,915.89

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Solution

The fourth proportional to 38,998.86, 58,492.08 and 10,915.89 is: 16,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.86 : 58,492.08 = 10,915.89 : x
  2. Step 2: Convert to fraction form
    38,998.86/58,492.08 = 10,915.89/x
  3. Step 3: Cross multiply
    38,998.86x = 58,492.08 × 10,915.89
  4. Step 4: Simplify right side
    38,998.86x = 638,493,111.15
  5. Step 5: Solve for x
    x = 638,493,111.15/38,998.86
  6. Step 6: Final answer
    x = 16,372.10

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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.