Home / 28,501.84-39,337.95-18,794.21

Finding the Fourth Proportional to 28,501.84, 39,337.95 and 18,794.21

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Solution

The fourth proportional to 28,501.84, 39,337.95 and 18,794.21 is: 25,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.84 : 39,337.95 = 18,794.21 : x
  2. Step 2: Convert to fraction form
    28,501.84/39,337.95 = 18,794.21/x
  3. Step 3: Cross multiply
    28,501.84x = 39,337.95 × 18,794.21
  4. Step 4: Simplify right side
    28,501.84x = 739,325,693.27
  5. Step 5: Solve for x
    x = 739,325,693.27/28,501.84
  6. Step 6: Final answer
    x = 25,939.58

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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.