Home / 27,156.09-37,476.95-15,220.20

Finding the Fourth Proportional to 27,156.09, 37,476.95 and 15,220.20

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Solution

The fourth proportional to 27,156.09, 37,476.95 and 15,220.20 is: 21,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.09 : 37,476.95 = 15,220.20 : x
  2. Step 2: Convert to fraction form
    27,156.09/37,476.95 = 15,220.20/x
  3. Step 3: Cross multiply
    27,156.09x = 37,476.95 × 15,220.20
  4. Step 4: Simplify right side
    27,156.09x = 570,406,528.02
  5. Step 5: Solve for x
    x = 570,406,528.02/27,156.09
  6. Step 6: Final answer
    x = 21,004.73

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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.