Home / 27,970.56-38,598.48-15,395.28

Finding the Fourth Proportional to 27,970.56, 38,598.48 and 15,395.28

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Solution

The fourth proportional to 27,970.56, 38,598.48 and 15,395.28 is: 21,244.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.56 : 38,598.48 = 15,395.28 : x
  2. Step 2: Convert to fraction form
    27,970.56/38,598.48 = 15,395.28/x
  3. Step 3: Cross multiply
    27,970.56x = 38,598.48 × 15,395.28
  4. Step 4: Simplify right side
    27,970.56x = 594,234,407.17
  5. Step 5: Solve for x
    x = 594,234,407.17/27,970.56
  6. Step 6: Final answer
    x = 21,244.99

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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.