Home / 28,570.45-42,829.42-9,846.04

Finding the Fourth Proportional to 28,570.45, 42,829.42 and 9,846.04

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Solution

The fourth proportional to 28,570.45, 42,829.42 and 9,846.04 is: 14,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570.45 : 42,829.42 = 9,846.04 : x
  2. Step 2: Convert to fraction form
    28,570.45/42,829.42 = 9,846.04/x
  3. Step 3: Cross multiply
    28,570.45x = 42,829.42 × 9,846.04
  4. Step 4: Simplify right side
    28,570.45x = 421,700,182.50
  5. Step 5: Solve for x
    x = 421,700,182.50/28,570.45
  6. Step 6: Final answer
    x = 14,760.01

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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.