Home / 26,130.90-36,063.30-15,379.98

Finding the Fourth Proportional to 26,130.90, 36,063.30 and 15,379.98

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Solution

The fourth proportional to 26,130.90, 36,063.30 and 15,379.98 is: 21,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.90 : 36,063.30 = 15,379.98 : x
  2. Step 2: Convert to fraction form
    26,130.90/36,063.30 = 15,379.98/x
  3. Step 3: Cross multiply
    26,130.90x = 36,063.30 × 15,379.98
  4. Step 4: Simplify right side
    26,130.90x = 554,652,832.73
  5. Step 5: Solve for x
    x = 554,652,832.73/26,130.90
  6. Step 6: Final answer
    x = 21,225.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.