Home / 21,227.04-31,798.52-14,547.12

Finding the Fourth Proportional to 21,227.04, 31,798.52 and 14,547.12

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Solution

The fourth proportional to 21,227.04, 31,798.52 and 14,547.12 is: 21,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.04 : 31,798.52 = 14,547.12 : x
  2. Step 2: Convert to fraction form
    21,227.04/31,798.52 = 14,547.12/x
  3. Step 3: Cross multiply
    21,227.04x = 31,798.52 × 14,547.12
  4. Step 4: Simplify right side
    21,227.04x = 462,576,813.53
  5. Step 5: Solve for x
    x = 462,576,813.53/21,227.04
  6. Step 6: Final answer
    x = 21,791.87

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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.