Home / 38,483.20-57,724.80-26,809.60

Finding the Fourth Proportional to 38,483.20, 57,724.80 and 26,809.60

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Solution

The fourth proportional to 38,483.20, 57,724.80 and 26,809.60 is: 40,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.20 : 57,724.80 = 26,809.60 : x
  2. Step 2: Convert to fraction form
    38,483.20/57,724.80 = 26,809.60/x
  3. Step 3: Cross multiply
    38,483.20x = 57,724.80 × 26,809.60
  4. Step 4: Simplify right side
    38,483.20x = 1,547,578,798.08
  5. Step 5: Solve for x
    x = 1,547,578,798.08/38,483.20
  6. Step 6: Final answer
    x = 40,214.40

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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.