Home / 84,684.47-127,026.74-21,509.33

Finding the Fourth Proportional to 84,684.47, 127,026.74 and 21,509.33

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Solution

The fourth proportional to 84,684.47, 127,026.74 and 21,509.33 is: 32,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,684.47 : 127,026.74 = 21,509.33 : x
  2. Step 2: Convert to fraction form
    84,684.47/127,026.74 = 21,509.33/x
  3. Step 3: Cross multiply
    84,684.47x = 127,026.74 × 21,509.33
  4. Step 4: Simplify right side
    84,684.47x = 2,732,259,488.12
  5. Step 5: Solve for x
    x = 2,732,259,488.12/84,684.47
  6. Step 6: Final answer
    x = 32,264.00

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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.