Home / 27,970.04-38,598.66-15,223.28

Finding the Fourth Proportional to 27,970.04, 38,598.66 and 15,223.28

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Solution

The fourth proportional to 27,970.04, 38,598.66 and 15,223.28 is: 21,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.04 : 38,598.66 = 15,223.28 : x
  2. Step 2: Convert to fraction form
    27,970.04/38,598.66 = 15,223.28/x
  3. Step 3: Cross multiply
    27,970.04x = 38,598.66 × 15,223.28
  4. Step 4: Simplify right side
    27,970.04x = 587,598,015.81
  5. Step 5: Solve for x
    x = 587,598,015.81/27,970.04
  6. Step 6: Final answer
    x = 21,008.12

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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.