Home / 57,428.37-86,144.18-15,875.37

Finding the Fourth Proportional to 57,428.37, 86,144.18 and 15,875.37

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Solution

The fourth proportional to 57,428.37, 86,144.18 and 15,875.37 is: 23,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,428.37 : 86,144.18 = 15,875.37 : x
  2. Step 2: Convert to fraction form
    57,428.37/86,144.18 = 15,875.37/x
  3. Step 3: Cross multiply
    57,428.37x = 86,144.18 × 15,875.37
  4. Step 4: Simplify right side
    57,428.37x = 1,367,570,651.47
  5. Step 5: Solve for x
    x = 1,367,570,651.47/57,428.37
  6. Step 6: Final answer
    x = 23,813.50

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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.