Home / 84,685.06-127,027.63-21,509.92

Finding the Fourth Proportional to 84,685.06, 127,027.63 and 21,509.92

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Solution

The fourth proportional to 84,685.06, 127,027.63 and 21,509.92 is: 32,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.06 : 127,027.63 = 21,509.92 : x
  2. Step 2: Convert to fraction form
    84,685.06/127,027.63 = 21,509.92/x
  3. Step 3: Cross multiply
    84,685.06x = 127,027.63 × 21,509.92
  4. Step 4: Simplify right side
    84,685.06x = 2,732,353,523.95
  5. Step 5: Solve for x
    x = 2,732,353,523.95/84,685.06
  6. Step 6: Final answer
    x = 32,264.88

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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.