Home / 15,938.32-23,918.01-15,815.20

Finding the Fourth Proportional to 15,938.32, 23,918.01 and 15,815.20

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Solution

The fourth proportional to 15,938.32, 23,918.01 and 15,815.20 is: 23,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.32 : 23,918.01 = 15,815.20 : x
  2. Step 2: Convert to fraction form
    15,938.32/23,918.01 = 15,815.20/x
  3. Step 3: Cross multiply
    15,938.32x = 23,918.01 × 15,815.20
  4. Step 4: Simplify right side
    15,938.32x = 378,268,051.96
  5. Step 5: Solve for x
    x = 378,268,051.96/15,938.32
  6. Step 6: Final answer
    x = 23,733.25

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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.