Home / 28,302.24-42,462.26-11,670.10

Finding the Fourth Proportional to 28,302.24, 42,462.26 and 11,670.10

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Solution

The fourth proportional to 28,302.24, 42,462.26 and 11,670.10 is: 17,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.24 : 42,462.26 = 11,670.10 : x
  2. Step 2: Convert to fraction form
    28,302.24/42,462.26 = 11,670.10/x
  3. Step 3: Cross multiply
    28,302.24x = 42,462.26 × 11,670.10
  4. Step 4: Simplify right side
    28,302.24x = 495,538,820.43
  5. Step 5: Solve for x
    x = 495,538,820.43/28,302.24
  6. Step 6: Final answer
    x = 17,508.82

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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.