Home / 28,240.02-42,359.31-7,463.70

Finding the Fourth Proportional to 28,240.02, 42,359.31 and 7,463.70

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Solution

The fourth proportional to 28,240.02, 42,359.31 and 7,463.70 is: 11,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.02 : 42,359.31 = 7,463.70 : x
  2. Step 2: Convert to fraction form
    28,240.02/42,359.31 = 7,463.70/x
  3. Step 3: Cross multiply
    28,240.02x = 42,359.31 × 7,463.70
  4. Step 4: Simplify right side
    28,240.02x = 316,157,182.05
  5. Step 5: Solve for x
    x = 316,157,182.05/28,240.02
  6. Step 6: Final answer
    x = 11,195.36

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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.