Home / 17,947.60-26,878.56-14,225.20

Finding the Fourth Proportional to 17,947.60, 26,878.56 and 14,225.20

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Solution

The fourth proportional to 17,947.60, 26,878.56 and 14,225.20 is: 21,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.60 : 26,878.56 = 14,225.20 : x
  2. Step 2: Convert to fraction form
    17,947.60/26,878.56 = 14,225.20/x
  3. Step 3: Cross multiply
    17,947.60x = 26,878.56 × 14,225.20
  4. Step 4: Simplify right side
    17,947.60x = 382,352,891.71
  5. Step 5: Solve for x
    x = 382,352,891.71/17,947.60
  6. Step 6: Final answer
    x = 21,303.85

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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.