Home / 28,837-39,799.38-17,665.48

Finding the Fourth Proportional to 28,837, 39,799.38 and 17,665.48

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Solution

The fourth proportional to 28,837, 39,799.38 and 17,665.48 is: 24,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837 : 39,799.38 = 17,665.48 : x
  2. Step 2: Convert to fraction form
    28,837/39,799.38 = 17,665.48/x
  3. Step 3: Cross multiply
    28,837x = 39,799.38 × 17,665.48
  4. Step 4: Simplify right side
    28,837x = 703,075,151.40
  5. Step 5: Solve for x
    x = 703,075,151.40/28,837
  6. Step 6: Final answer
    x = 24,381.01

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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.