Home / 38,678.64-53,386.20-23,766

Finding the Fourth Proportional to 38,678.64, 53,386.20 and 23,766

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Solution

The fourth proportional to 38,678.64, 53,386.20 and 23,766 is: 32,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678.64 : 53,386.20 = 23,766 : x
  2. Step 2: Convert to fraction form
    38,678.64/53,386.20 = 23,766/x
  3. Step 3: Cross multiply
    38,678.64x = 53,386.20 × 23,766
  4. Step 4: Simplify right side
    38,678.64x = 1,268,776,429.20
  5. Step 5: Solve for x
    x = 1,268,776,429.20/38,678.64
  6. Step 6: Final answer
    x = 32,803.03

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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.