Home / 27,848.28-38,430.74-16,670.28

Finding the Fourth Proportional to 27,848.28, 38,430.74 and 16,670.28

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Solution

The fourth proportional to 27,848.28, 38,430.74 and 16,670.28 is: 23,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.28 : 38,430.74 = 16,670.28 : x
  2. Step 2: Convert to fraction form
    27,848.28/38,430.74 = 16,670.28/x
  3. Step 3: Cross multiply
    27,848.28x = 38,430.74 × 16,670.28
  4. Step 4: Simplify right side
    27,848.28x = 640,651,196.41
  5. Step 5: Solve for x
    x = 640,651,196.41/27,848.28
  6. Step 6: Final answer
    x = 23,005.05

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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.