Home / 57,435.12-86,154.30-15,882.12

Finding the Fourth Proportional to 57,435.12, 86,154.30 and 15,882.12

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Solution

The fourth proportional to 57,435.12, 86,154.30 and 15,882.12 is: 23,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435.12 : 86,154.30 = 15,882.12 : x
  2. Step 2: Convert to fraction form
    57,435.12/86,154.30 = 15,882.12/x
  3. Step 3: Cross multiply
    57,435.12x = 86,154.30 × 15,882.12
  4. Step 4: Simplify right side
    57,435.12x = 1,368,312,931.12
  5. Step 5: Solve for x
    x = 1,368,312,931.12/57,435.12
  6. Step 6: Final answer
    x = 23,823.63

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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.