Home / 21,042.33-29,038.43-11,482.24

Finding the Fourth Proportional to 21,042.33, 29,038.43 and 11,482.24

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Solution

The fourth proportional to 21,042.33, 29,038.43 and 11,482.24 is: 15,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.33 : 29,038.43 = 11,482.24 : x
  2. Step 2: Convert to fraction form
    21,042.33/29,038.43 = 11,482.24/x
  3. Step 3: Cross multiply
    21,042.33x = 29,038.43 × 11,482.24
  4. Step 4: Simplify right side
    21,042.33x = 333,426,178.59
  5. Step 5: Solve for x
    x = 333,426,178.59/21,042.33
  6. Step 6: Final answer
    x = 15,845.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.