Home / 27,943.35-38,561.04-15,368.10

Finding the Fourth Proportional to 27,943.35, 38,561.04 and 15,368.10

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Solution

The fourth proportional to 27,943.35, 38,561.04 and 15,368.10 is: 21,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.35 : 38,561.04 = 15,368.10 : x
  2. Step 2: Convert to fraction form
    27,943.35/38,561.04 = 15,368.10/x
  3. Step 3: Cross multiply
    27,943.35x = 38,561.04 × 15,368.10
  4. Step 4: Simplify right side
    27,943.35x = 592,609,918.82
  5. Step 5: Solve for x
    x = 592,609,918.82/27,943.35
  6. Step 6: Final answer
    x = 21,207.55

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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.