Home / 28,033.72-42,038.70-10,491.32

Finding the Fourth Proportional to 28,033.72, 42,038.70 and 10,491.32

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Solution

The fourth proportional to 28,033.72, 42,038.70 and 10,491.32 is: 15,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.72 : 42,038.70 = 10,491.32 : x
  2. Step 2: Convert to fraction form
    28,033.72/42,038.70 = 10,491.32/x
  3. Step 3: Cross multiply
    28,033.72x = 42,038.70 × 10,491.32
  4. Step 4: Simplify right side
    28,033.72x = 441,041,454.08
  5. Step 5: Solve for x
    x = 441,041,454.08/28,033.72
  6. Step 6: Final answer
    x = 15,732.53

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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.