Home / 28,488.88-39,315.63-17,884.36

Finding the Fourth Proportional to 28,488.88, 39,315.63 and 17,884.36

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Solution

The fourth proportional to 28,488.88, 39,315.63 and 17,884.36 is: 24,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.88 : 39,315.63 = 17,884.36 : x
  2. Step 2: Convert to fraction form
    28,488.88/39,315.63 = 17,884.36/x
  3. Step 3: Cross multiply
    28,488.88x = 39,315.63 × 17,884.36
  4. Step 4: Simplify right side
    28,488.88x = 703,134,896.16
  5. Step 5: Solve for x
    x = 703,134,896.16/28,488.88
  6. Step 6: Final answer
    x = 24,681.03

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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.