Home / 28,088.37-42,134.40-8,365.29

Finding the Fourth Proportional to 28,088.37, 42,134.40 and 8,365.29

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Solution

The fourth proportional to 28,088.37, 42,134.40 and 8,365.29 is: 12,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.37 : 42,134.40 = 8,365.29 : x
  2. Step 2: Convert to fraction form
    28,088.37/42,134.40 = 8,365.29/x
  3. Step 3: Cross multiply
    28,088.37x = 42,134.40 × 8,365.29
  4. Step 4: Simplify right side
    28,088.37x = 352,466,474.98
  5. Step 5: Solve for x
    x = 352,466,474.98/28,088.37
  6. Step 6: Final answer
    x = 12,548.48

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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.