Home / 21,127.93-31,681.65-10,593.43

Finding the Fourth Proportional to 21,127.93, 31,681.65 and 10,593.43

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Solution

The fourth proportional to 21,127.93, 31,681.65 and 10,593.43 is: 15,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127.93 : 31,681.65 = 10,593.43 : x
  2. Step 2: Convert to fraction form
    21,127.93/31,681.65 = 10,593.43/x
  3. Step 3: Cross multiply
    21,127.93x = 31,681.65 × 10,593.43
  4. Step 4: Simplify right side
    21,127.93x = 335,617,183.15
  5. Step 5: Solve for x
    x = 335,617,183.15/21,127.93
  6. Step 6: Final answer
    x = 15,885.00

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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.