Home / 27,013.77-37,275.33-15,681.47

Finding the Fourth Proportional to 27,013.77, 37,275.33 and 15,681.47

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Solution

The fourth proportional to 27,013.77, 37,275.33 and 15,681.47 is: 21,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.77 : 37,275.33 = 15,681.47 : x
  2. Step 2: Convert to fraction form
    27,013.77/37,275.33 = 15,681.47/x
  3. Step 3: Cross multiply
    27,013.77x = 37,275.33 × 15,681.47
  4. Step 4: Simplify right side
    27,013.77x = 584,531,782.76
  5. Step 5: Solve for x
    x = 584,531,782.76/27,013.77
  6. Step 6: Final answer
    x = 21,638.29

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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.