Home / 28,916.46-43,391.10-13,334.10

Finding the Fourth Proportional to 28,916.46, 43,391.10 and 13,334.10

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Solution

The fourth proportional to 28,916.46, 43,391.10 and 13,334.10 is: 20,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.46 : 43,391.10 = 13,334.10 : x
  2. Step 2: Convert to fraction form
    28,916.46/43,391.10 = 13,334.10/x
  3. Step 3: Cross multiply
    28,916.46x = 43,391.10 × 13,334.10
  4. Step 4: Simplify right side
    28,916.46x = 578,581,266.51
  5. Step 5: Solve for x
    x = 578,581,266.51/28,916.46
  6. Step 6: Final answer
    x = 20,008.72

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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.