Home / 28,792.34-39,734.64-16,045.53

Finding the Fourth Proportional to 28,792.34, 39,734.64 and 16,045.53

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Solution

The fourth proportional to 28,792.34, 39,734.64 and 16,045.53 is: 22,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.34 : 39,734.64 = 16,045.53 : x
  2. Step 2: Convert to fraction form
    28,792.34/39,734.64 = 16,045.53/x
  3. Step 3: Cross multiply
    28,792.34x = 39,734.64 × 16,045.53
  4. Step 4: Simplify right side
    28,792.34x = 637,563,358.16
  5. Step 5: Solve for x
    x = 637,563,358.16/28,792.34
  6. Step 6: Final answer
    x = 22,143.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.