Home / 28,533.91-42,805.65-9,813.19

Finding the Fourth Proportional to 28,533.91, 42,805.65 and 9,813.19

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Solution

The fourth proportional to 28,533.91, 42,805.65 and 9,813.19 is: 14,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.91 : 42,805.65 = 9,813.19 : x
  2. Step 2: Convert to fraction form
    28,533.91/42,805.65 = 9,813.19/x
  3. Step 3: Cross multiply
    28,533.91x = 42,805.65 × 9,813.19
  4. Step 4: Simplify right side
    28,533.91x = 420,059,976.52
  5. Step 5: Solve for x
    x = 420,059,976.52/28,533.91
  6. Step 6: Final answer
    x = 14,721.43

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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.