Home / 84,952.01-127,427.45-28,831.64

Finding the Fourth Proportional to 84,952.01, 127,427.45 and 28,831.64

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Solution

The fourth proportional to 84,952.01, 127,427.45 and 28,831.64 is: 43,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,952.01 : 127,427.45 = 28,831.64 : x
  2. Step 2: Convert to fraction form
    84,952.01/127,427.45 = 28,831.64/x
  3. Step 3: Cross multiply
    84,952.01x = 127,427.45 × 28,831.64
  4. Step 4: Simplify right side
    84,952.01x = 3,673,941,583.22
  5. Step 5: Solve for x
    x = 3,673,941,583.22/84,952.01
  6. Step 6: Final answer
    x = 43,247.26

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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.