Home / 26,465.16-39,695.92-12,405.49

Finding the Fourth Proportional to 26,465.16, 39,695.92 and 12,405.49

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Solution

The fourth proportional to 26,465.16, 39,695.92 and 12,405.49 is: 18,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,465.16 : 39,695.92 = 12,405.49 : x
  2. Step 2: Convert to fraction form
    26,465.16/39,695.92 = 12,405.49/x
  3. Step 3: Cross multiply
    26,465.16x = 39,695.92 × 12,405.49
  4. Step 4: Simplify right side
    26,465.16x = 492,447,278.13
  5. Step 5: Solve for x
    x = 492,447,278.13/26,465.16
  6. Step 6: Final answer
    x = 18,607.38

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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.