Home / 27,157.16-40,742.10-8,436.24

Finding the Fourth Proportional to 27,157.16, 40,742.10 and 8,436.24

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Solution

The fourth proportional to 27,157.16, 40,742.10 and 8,436.24 is: 12,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.16 : 40,742.10 = 8,436.24 : x
  2. Step 2: Convert to fraction form
    27,157.16/40,742.10 = 8,436.24/x
  3. Step 3: Cross multiply
    27,157.16x = 40,742.10 × 8,436.24
  4. Step 4: Simplify right side
    27,157.16x = 343,710,133.70
  5. Step 5: Solve for x
    x = 343,710,133.70/27,157.16
  6. Step 6: Final answer
    x = 12,656.33

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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.