Home / 55,327.02-82,979.16-15,875.40

Finding the Fourth Proportional to 55,327.02, 82,979.16 and 15,875.40

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Solution

The fourth proportional to 55,327.02, 82,979.16 and 15,875.40 is: 23,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.02 : 82,979.16 = 15,875.40 : x
  2. Step 2: Convert to fraction form
    55,327.02/82,979.16 = 15,875.40/x
  3. Step 3: Cross multiply
    55,327.02x = 82,979.16 × 15,875.40
  4. Step 4: Simplify right side
    55,327.02x = 1,317,327,356.66
  5. Step 5: Solve for x
    x = 1,317,327,356.66/55,327.02
  6. Step 6: Final answer
    x = 23,809.84

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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.