Home / 21,358.76-32,038.07-5,776.38

Finding the Fourth Proportional to 21,358.76, 32,038.07 and 5,776.38

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Solution

The fourth proportional to 21,358.76, 32,038.07 and 5,776.38 is: 8,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.76 : 32,038.07 = 5,776.38 : x
  2. Step 2: Convert to fraction form
    21,358.76/32,038.07 = 5,776.38/x
  3. Step 3: Cross multiply
    21,358.76x = 32,038.07 × 5,776.38
  4. Step 4: Simplify right side
    21,358.76x = 185,064,037.90
  5. Step 5: Solve for x
    x = 185,064,037.90/21,358.76
  6. Step 6: Final answer
    x = 8,664.55

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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.