Home / 25,828.08-35,642.88-16,870.29

Finding the Fourth Proportional to 25,828.08, 35,642.88 and 16,870.29

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Solution

The fourth proportional to 25,828.08, 35,642.88 and 16,870.29 is: 23,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.08 : 35,642.88 = 16,870.29 : x
  2. Step 2: Convert to fraction form
    25,828.08/35,642.88 = 16,870.29/x
  3. Step 3: Cross multiply
    25,828.08x = 35,642.88 × 16,870.29
  4. Step 4: Simplify right side
    25,828.08x = 601,305,722.04
  5. Step 5: Solve for x
    x = 601,305,722.04/25,828.08
  6. Step 6: Final answer
    x = 23,281.08

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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.