Home / 27,735.29-38,274.95-15,798.45

Finding the Fourth Proportional to 27,735.29, 38,274.95 and 15,798.45

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Solution

The fourth proportional to 27,735.29, 38,274.95 and 15,798.45 is: 21,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735.29 : 38,274.95 = 15,798.45 : x
  2. Step 2: Convert to fraction form
    27,735.29/38,274.95 = 15,798.45/x
  3. Step 3: Cross multiply
    27,735.29x = 38,274.95 × 15,798.45
  4. Step 4: Simplify right side
    27,735.29x = 604,684,923.32
  5. Step 5: Solve for x
    x = 604,684,923.32/27,735.29
  6. Step 6: Final answer
    x = 21,802.01

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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.