Home / 28,253.23-42,421.46-15,797.66

Finding the Fourth Proportional to 28,253.23, 42,421.46 and 15,797.66

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Solution

The fourth proportional to 28,253.23, 42,421.46 and 15,797.66 is: 23,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.23 : 42,421.46 = 15,797.66 : x
  2. Step 2: Convert to fraction form
    28,253.23/42,421.46 = 15,797.66/x
  3. Step 3: Cross multiply
    28,253.23x = 42,421.46 × 15,797.66
  4. Step 4: Simplify right side
    28,253.23x = 670,159,510.69
  5. Step 5: Solve for x
    x = 670,159,510.69/28,253.23
  6. Step 6: Final answer
    x = 23,719.75

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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.