Home / 52,382.72-72,288.14-28,509.56

Finding the Fourth Proportional to 52,382.72, 72,288.14 and 28,509.56

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Solution

The fourth proportional to 52,382.72, 72,288.14 and 28,509.56 is: 39,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,382.72 : 72,288.14 = 28,509.56 : x
  2. Step 2: Convert to fraction form
    52,382.72/72,288.14 = 28,509.56/x
  3. Step 3: Cross multiply
    52,382.72x = 72,288.14 × 28,509.56
  4. Step 4: Simplify right side
    52,382.72x = 2,060,903,064.62
  5. Step 5: Solve for x
    x = 2,060,903,064.62/52,382.72
  6. Step 6: Final answer
    x = 39,343.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.