Home / 28,623.04-39,496.03-15,876.07

Finding the Fourth Proportional to 28,623.04, 39,496.03 and 15,876.07

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Solution

The fourth proportional to 28,623.04, 39,496.03 and 15,876.07 is: 21,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.04 : 39,496.03 = 15,876.07 : x
  2. Step 2: Convert to fraction form
    28,623.04/39,496.03 = 15,876.07/x
  3. Step 3: Cross multiply
    28,623.04x = 39,496.03 × 15,876.07
  4. Step 4: Simplify right side
    28,623.04x = 627,041,737.00
  5. Step 5: Solve for x
    x = 627,041,737.00/28,623.04
  6. Step 6: Final answer
    x = 21,906.89

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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.