Home / 27,320.71-37,701.56-15,220.91

Finding the Fourth Proportional to 27,320.71, 37,701.56 and 15,220.91

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Solution

The fourth proportional to 27,320.71, 37,701.56 and 15,220.91 is: 21,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.71 : 37,701.56 = 15,220.91 : x
  2. Step 2: Convert to fraction form
    27,320.71/37,701.56 = 15,220.91/x
  3. Step 3: Cross multiply
    27,320.71x = 37,701.56 × 15,220.91
  4. Step 4: Simplify right side
    27,320.71x = 573,851,901.16
  5. Step 5: Solve for x
    x = 573,851,901.16/27,320.71
  6. Step 6: Final answer
    x = 21,004.28

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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.