Home / 85,501.24-128,265.65-26,336.89

Finding the Fourth Proportional to 85,501.24, 128,265.65 and 26,336.89

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Solution

The fourth proportional to 85,501.24, 128,265.65 and 26,336.89 is: 39,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,501.24 : 128,265.65 = 26,336.89 : x
  2. Step 2: Convert to fraction form
    85,501.24/128,265.65 = 26,336.89/x
  3. Step 3: Cross multiply
    85,501.24x = 128,265.65 × 26,336.89
  4. Step 4: Simplify right side
    85,501.24x = 3,378,118,314.83
  5. Step 5: Solve for x
    x = 3,378,118,314.83/85,501.24
  6. Step 6: Final answer
    x = 39,509.58

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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.