Home / 28,210.63-42,310.46-10,681.83

Finding the Fourth Proportional to 28,210.63, 42,310.46 and 10,681.83

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Solution

The fourth proportional to 28,210.63, 42,310.46 and 10,681.83 is: 16,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.63 : 42,310.46 = 10,681.83 : x
  2. Step 2: Convert to fraction form
    28,210.63/42,310.46 = 10,681.83/x
  3. Step 3: Cross multiply
    28,210.63x = 42,310.46 × 10,681.83
  4. Step 4: Simplify right side
    28,210.63x = 451,953,087.53
  5. Step 5: Solve for x
    x = 451,953,087.53/28,210.63
  6. Step 6: Final answer
    x = 16,020.67

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1.5x scale

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.