Home / 28,957.10-43,438.28-10,235.16

Finding the Fourth Proportional to 28,957.10, 43,438.28 and 10,235.16

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Solution

The fourth proportional to 28,957.10, 43,438.28 and 10,235.16 is: 15,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.10 : 43,438.28 = 10,235.16 : x
  2. Step 2: Convert to fraction form
    28,957.10/43,438.28 = 10,235.16/x
  3. Step 3: Cross multiply
    28,957.10x = 43,438.28 × 10,235.16
  4. Step 4: Simplify right side
    28,957.10x = 444,597,694.75
  5. Step 5: Solve for x
    x = 444,597,694.75/28,957.10
  6. Step 6: Final answer
    x = 15,353.67

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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.