Home / 28,444.32-39,271.50-19,488.96

Finding the Fourth Proportional to 28,444.32, 39,271.50 and 19,488.96

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Solution

The fourth proportional to 28,444.32, 39,271.50 and 19,488.96 is: 26,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.32 : 39,271.50 = 19,488.96 : x
  2. Step 2: Convert to fraction form
    28,444.32/39,271.50 = 19,488.96/x
  3. Step 3: Cross multiply
    28,444.32x = 39,271.50 × 19,488.96
  4. Step 4: Simplify right side
    28,444.32x = 765,360,692.64
  5. Step 5: Solve for x
    x = 765,360,692.64/28,444.32
  6. Step 6: Final answer
    x = 26,907.33

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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.