Home / 27,211.80-37,549.70-15,272.80

Finding the Fourth Proportional to 27,211.80, 37,549.70 and 15,272.80

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Solution

The fourth proportional to 27,211.80, 37,549.70 and 15,272.80 is: 21,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.80 : 37,549.70 = 15,272.80 : x
  2. Step 2: Convert to fraction form
    27,211.80/37,549.70 = 15,272.80/x
  3. Step 3: Cross multiply
    27,211.80x = 37,549.70 × 15,272.80
  4. Step 4: Simplify right side
    27,211.80x = 573,489,058.16
  5. Step 5: Solve for x
    x = 573,489,058.16/27,211.80
  6. Step 6: Final answer
    x = 21,075.01

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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.