Home / 28,140.48-42,216.96-10,610.46

Finding the Fourth Proportional to 28,140.48, 42,216.96 and 10,610.46

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Solution

The fourth proportional to 28,140.48, 42,216.96 and 10,610.46 is: 15,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.48 : 42,216.96 = 10,610.46 : x
  2. Step 2: Convert to fraction form
    28,140.48/42,216.96 = 10,610.46/x
  3. Step 3: Cross multiply
    28,140.48x = 42,216.96 × 10,610.46
  4. Step 4: Simplify right side
    28,140.48x = 447,941,365.40
  5. Step 5: Solve for x
    x = 447,941,365.40/28,140.48
  6. Step 6: Final answer
    x = 15,918.04

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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.