Home / 21,554.03-29,734.79-15,576.23

Finding the Fourth Proportional to 21,554.03, 29,734.79 and 15,576.23

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Solution

The fourth proportional to 21,554.03, 29,734.79 and 15,576.23 is: 21,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.03 : 29,734.79 = 15,576.23 : x
  2. Step 2: Convert to fraction form
    21,554.03/29,734.79 = 15,576.23/x
  3. Step 3: Cross multiply
    21,554.03x = 29,734.79 × 15,576.23
  4. Step 4: Simplify right side
    21,554.03x = 463,156,041.32
  5. Step 5: Solve for x
    x = 463,156,041.32/21,554.03
  6. Step 6: Final answer
    x = 21,488.14

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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.