Home / 27,736.02-38,276.69-15,801.21

Finding the Fourth Proportional to 27,736.02, 38,276.69 and 15,801.21

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Solution

The fourth proportional to 27,736.02, 38,276.69 and 15,801.21 is: 21,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.02 : 38,276.69 = 15,801.21 : x
  2. Step 2: Convert to fraction form
    27,736.02/38,276.69 = 15,801.21/x
  3. Step 3: Cross multiply
    27,736.02x = 38,276.69 × 15,801.21
  4. Step 4: Simplify right side
    27,736.02x = 604,817,937.79
  5. Step 5: Solve for x
    x = 604,817,937.79/27,736.02
  6. Step 6: Final answer
    x = 21,806.23

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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.