Home / 85,501.00-128,265.28-26,336.61

Finding the Fourth Proportional to 85,501.00, 128,265.28 and 26,336.61

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Solution

The fourth proportional to 85,501.00, 128,265.28 and 26,336.61 is: 39,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,501.00 : 128,265.28 = 26,336.61 : x
  2. Step 2: Convert to fraction form
    85,501.00/128,265.28 = 26,336.61/x
  3. Step 3: Cross multiply
    85,501.00x = 128,265.28 × 26,336.61
  4. Step 4: Simplify right side
    85,501.00x = 3,378,072,590.06
  5. Step 5: Solve for x
    x = 3,378,072,590.06/85,501.00
  6. Step 6: Final answer
    x = 39,509.16

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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.