Home / 85,524.48-128,300.64-26,360.16

Finding the Fourth Proportional to 85,524.48, 128,300.64 and 26,360.16

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Solution

The fourth proportional to 85,524.48, 128,300.64 and 26,360.16 is: 39,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524.48 : 128,300.64 = 26,360.16 : x
  2. Step 2: Convert to fraction form
    85,524.48/128,300.64 = 26,360.16/x
  3. Step 3: Cross multiply
    85,524.48x = 128,300.64 × 26,360.16
  4. Step 4: Simplify right side
    85,524.48x = 3,382,025,398.50
  5. Step 5: Solve for x
    x = 3,382,025,398.50/85,524.48
  6. Step 6: Final answer
    x = 39,544.53

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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.