Home / 26,130.42-39,166.59-12,992.34

Finding the Fourth Proportional to 26,130.42, 39,166.59 and 12,992.34

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Solution

The fourth proportional to 26,130.42, 39,166.59 and 12,992.34 is: 19,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.42 : 39,166.59 = 12,992.34 : x
  2. Step 2: Convert to fraction form
    26,130.42/39,166.59 = 12,992.34/x
  3. Step 3: Cross multiply
    26,130.42x = 39,166.59 × 12,992.34
  4. Step 4: Simplify right side
    26,130.42x = 508,865,653.92
  5. Step 5: Solve for x
    x = 508,865,653.92/26,130.42
  6. Step 6: Final answer
    x = 19,474.07

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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.