Home / 27,320.40-40,980.60-8,852.40

Finding the Fourth Proportional to 27,320.40, 40,980.60 and 8,852.40

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Solution

The fourth proportional to 27,320.40, 40,980.60 and 8,852.40 is: 13,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.40 : 40,980.60 = 8,852.40 : x
  2. Step 2: Convert to fraction form
    27,320.40/40,980.60 = 8,852.40/x
  3. Step 3: Cross multiply
    27,320.40x = 40,980.60 × 8,852.40
  4. Step 4: Simplify right side
    27,320.40x = 362,776,663.44
  5. Step 5: Solve for x
    x = 362,776,663.44/27,320.40
  6. Step 6: Final answer
    x = 13,278.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.