Home / 43,215.40-64,797.16-16,888.80

Finding the Fourth Proportional to 43,215.40, 64,797.16 and 16,888.80

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Solution

The fourth proportional to 43,215.40, 64,797.16 and 16,888.80 is: 25,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.40 : 64,797.16 = 16,888.80 : x
  2. Step 2: Convert to fraction form
    43,215.40/64,797.16 = 16,888.80/x
  3. Step 3: Cross multiply
    43,215.40x = 64,797.16 × 16,888.80
  4. Step 4: Simplify right side
    43,215.40x = 1,094,346,275.81
  5. Step 5: Solve for x
    x = 1,094,346,275.81/43,215.40
  6. Step 6: Final answer
    x = 25,323.06

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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.