Home / 28,955.02-43,382.91-15,816.58

Finding the Fourth Proportional to 28,955.02, 43,382.91 and 15,816.58

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Solution

The fourth proportional to 28,955.02, 43,382.91 and 15,816.58 is: 23,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.02 : 43,382.91 = 15,816.58 : x
  2. Step 2: Convert to fraction form
    28,955.02/43,382.91 = 15,816.58/x
  3. Step 3: Cross multiply
    28,955.02x = 43,382.91 × 15,816.58
  4. Step 4: Simplify right side
    28,955.02x = 686,169,266.65
  5. Step 5: Solve for x
    x = 686,169,266.65/28,955.02
  6. Step 6: Final answer
    x = 23,697.77

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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.