Home / 28,573.08-39,434.22-15,995.40

Finding the Fourth Proportional to 28,573.08, 39,434.22 and 15,995.40

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Solution

The fourth proportional to 28,573.08, 39,434.22 and 15,995.40 is: 22,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.08 : 39,434.22 = 15,995.40 : x
  2. Step 2: Convert to fraction form
    28,573.08/39,434.22 = 15,995.40/x
  3. Step 3: Cross multiply
    28,573.08x = 39,434.22 × 15,995.40
  4. Step 4: Simplify right side
    28,573.08x = 630,766,122.59
  5. Step 5: Solve for x
    x = 630,766,122.59/28,573.08
  6. Step 6: Final answer
    x = 22,075.54

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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.