Home / 28,391.14-42,586.71-9,673.16

Finding the Fourth Proportional to 28,391.14, 42,586.71 and 9,673.16

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Solution

The fourth proportional to 28,391.14, 42,586.71 and 9,673.16 is: 14,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391.14 : 42,586.71 = 9,673.16 : x
  2. Step 2: Convert to fraction form
    28,391.14/42,586.71 = 9,673.16/x
  3. Step 3: Cross multiply
    28,391.14x = 42,586.71 × 9,673.16
  4. Step 4: Simplify right side
    28,391.14x = 411,947,864.91
  5. Step 5: Solve for x
    x = 411,947,864.91/28,391.14
  6. Step 6: Final answer
    x = 14,509.73

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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.