Home / 28,349.16-42,532.86-8,631.54

Finding the Fourth Proportional to 28,349.16, 42,532.86 and 8,631.54

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Solution

The fourth proportional to 28,349.16, 42,532.86 and 8,631.54 is: 12,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.16 : 42,532.86 = 8,631.54 : x
  2. Step 2: Convert to fraction form
    28,349.16/42,532.86 = 8,631.54/x
  3. Step 3: Cross multiply
    28,349.16x = 42,532.86 × 8,631.54
  4. Step 4: Simplify right side
    28,349.16x = 367,124,082.40
  5. Step 5: Solve for x
    x = 367,124,082.40/28,349.16
  6. Step 6: Final answer
    x = 12,950.09

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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.