Home / 28,437.62-39,246.39-15,692.00

Finding the Fourth Proportional to 28,437.62, 39,246.39 and 15,692.00

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Solution

The fourth proportional to 28,437.62, 39,246.39 and 15,692.00 is: 21,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.62 : 39,246.39 = 15,692.00 : x
  2. Step 2: Convert to fraction form
    28,437.62/39,246.39 = 15,692.00/x
  3. Step 3: Cross multiply
    28,437.62x = 39,246.39 × 15,692.00
  4. Step 4: Simplify right side
    28,437.62x = 615,854,155.65
  5. Step 5: Solve for x
    x = 615,854,155.65/28,437.62
  6. Step 6: Final answer
    x = 21,656.32

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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.