Home / 38,283.68-57,428.80-10,581.60

Finding the Fourth Proportional to 38,283.68, 57,428.80 and 10,581.60

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Solution

The fourth proportional to 38,283.68, 57,428.80 and 10,581.60 is: 15,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,283.68 : 57,428.80 = 10,581.60 : x
  2. Step 2: Convert to fraction form
    38,283.68/57,428.80 = 10,581.60/x
  3. Step 3: Cross multiply
    38,283.68x = 57,428.80 × 10,581.60
  4. Step 4: Simplify right side
    38,283.68x = 607,688,590.08
  5. Step 5: Solve for x
    x = 607,688,590.08/38,283.68
  6. Step 6: Final answer
    x = 15,873.31

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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.