Home / 21,547.77-32,321.55-5,537.30

Finding the Fourth Proportional to 21,547.77, 32,321.55 and 5,537.30

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Solution

The fourth proportional to 21,547.77, 32,321.55 and 5,537.30 is: 8,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.77 : 32,321.55 = 5,537.30 : x
  2. Step 2: Convert to fraction form
    21,547.77/32,321.55 = 5,537.30/x
  3. Step 3: Cross multiply
    21,547.77x = 32,321.55 × 5,537.30
  4. Step 4: Simplify right side
    21,547.77x = 178,974,053.30
  5. Step 5: Solve for x
    x = 178,974,053.30/21,547.77
  6. Step 6: Final answer
    x = 8,305.92

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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.