Home / 56,428.28-84,628.48-23,157.80

Finding the Fourth Proportional to 56,428.28, 84,628.48 and 23,157.80

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Solution

The fourth proportional to 56,428.28, 84,628.48 and 23,157.80 is: 34,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428.28 : 84,628.48 = 23,157.80 : x
  2. Step 2: Convert to fraction form
    56,428.28/84,628.48 = 23,157.80/x
  3. Step 3: Cross multiply
    56,428.28x = 84,628.48 × 23,157.80
  4. Step 4: Simplify right side
    56,428.28x = 1,959,809,414.14
  5. Step 5: Solve for x
    x = 1,959,809,414.14/56,428.28
  6. Step 6: Final answer
    x = 34,730.98

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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.