Home / 21,558.04-32,337.08-6,768.28

Finding the Fourth Proportional to 21,558.04, 32,337.08 and 6,768.28

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Solution

The fourth proportional to 21,558.04, 32,337.08 and 6,768.28 is: 10,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.04 : 32,337.08 = 6,768.28 : x
  2. Step 2: Convert to fraction form
    21,558.04/32,337.08 = 6,768.28/x
  3. Step 3: Cross multiply
    21,558.04x = 32,337.08 × 6,768.28
  4. Step 4: Simplify right side
    21,558.04x = 218,866,411.82
  5. Step 5: Solve for x
    x = 218,866,411.82/21,558.04
  6. Step 6: Final answer
    x = 10,152.43

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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.