Home / 28,737.05-39,649.38-16,803.32

Finding the Fourth Proportional to 28,737.05, 39,649.38 and 16,803.32

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Solution

The fourth proportional to 28,737.05, 39,649.38 and 16,803.32 is: 23,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.05 : 39,649.38 = 16,803.32 : x
  2. Step 2: Convert to fraction form
    28,737.05/39,649.38 = 16,803.32/x
  3. Step 3: Cross multiply
    28,737.05x = 39,649.38 × 16,803.32
  4. Step 4: Simplify right side
    28,737.05x = 666,241,219.94
  5. Step 5: Solve for x
    x = 666,241,219.94/28,737.05
  6. Step 6: Final answer
    x = 23,184.05

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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.