Home / 28,253.28-42,352.35-13,458.24

Finding the Fourth Proportional to 28,253.28, 42,352.35 and 13,458.24

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Solution

The fourth proportional to 28,253.28, 42,352.35 and 13,458.24 is: 20,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.28 : 42,352.35 = 13,458.24 : x
  2. Step 2: Convert to fraction form
    28,253.28/42,352.35 = 13,458.24/x
  3. Step 3: Cross multiply
    28,253.28x = 42,352.35 × 13,458.24
  4. Step 4: Simplify right side
    28,253.28x = 569,988,090.86
  5. Step 5: Solve for x
    x = 569,988,090.86/28,253.28
  6. Step 6: Final answer
    x = 20,174.23

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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.