Home / 21,543.36-32,312.46-5,749.58

Finding the Fourth Proportional to 21,543.36, 32,312.46 and 5,749.58

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Solution

The fourth proportional to 21,543.36, 32,312.46 and 5,749.58 is: 8,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.36 : 32,312.46 = 5,749.58 : x
  2. Step 2: Convert to fraction form
    21,543.36/32,312.46 = 5,749.58/x
  3. Step 3: Cross multiply
    21,543.36x = 32,312.46 × 5,749.58
  4. Step 4: Simplify right side
    21,543.36x = 185,783,073.77
  5. Step 5: Solve for x
    x = 185,783,073.77/21,543.36
  6. Step 6: Final answer
    x = 8,623.68

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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.