Home / 28,692.99-43,056.50-15,545.07

Finding the Fourth Proportional to 28,692.99, 43,056.50 and 15,545.07

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Solution

The fourth proportional to 28,692.99, 43,056.50 and 15,545.07 is: 23,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.99 : 43,056.50 = 15,545.07 : x
  2. Step 2: Convert to fraction form
    28,692.99/43,056.50 = 15,545.07/x
  3. Step 3: Cross multiply
    28,692.99x = 43,056.50 × 15,545.07
  4. Step 4: Simplify right side
    28,692.99x = 669,316,228.73
  5. Step 5: Solve for x
    x = 669,316,228.73/28,692.99
  6. Step 6: Final answer
    x = 23,326.82

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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.