Home / 21,547.95-32,299.63-8,217.36

Finding the Fourth Proportional to 21,547.95, 32,299.63 and 8,217.36

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Solution

The fourth proportional to 21,547.95, 32,299.63 and 8,217.36 is: 12,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.95 : 32,299.63 = 8,217.36 : x
  2. Step 2: Convert to fraction form
    21,547.95/32,299.63 = 8,217.36/x
  3. Step 3: Cross multiply
    21,547.95x = 32,299.63 × 8,217.36
  4. Step 4: Simplify right side
    21,547.95x = 265,417,484.99
  5. Step 5: Solve for x
    x = 265,417,484.99/21,547.95
  6. Step 6: Final answer
    x = 12,317.53

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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.