Home / 28,074.12-42,088.98-10,542

Finding the Fourth Proportional to 28,074.12, 42,088.98 and 10,542

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Solution

The fourth proportional to 28,074.12, 42,088.98 and 10,542 is: 15,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.12 : 42,088.98 = 10,542 : x
  2. Step 2: Convert to fraction form
    28,074.12/42,088.98 = 10,542/x
  3. Step 3: Cross multiply
    28,074.12x = 42,088.98 × 10,542
  4. Step 4: Simplify right side
    28,074.12x = 443,702,027.16
  5. Step 5: Solve for x
    x = 443,702,027.16/28,074.12
  6. Step 6: Final answer
    x = 15,804.66

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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.