Home / 28,299.36-42,465.72-10,783.92

Finding the Fourth Proportional to 28,299.36, 42,465.72 and 10,783.92

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Solution

The fourth proportional to 28,299.36, 42,465.72 and 10,783.92 is: 16,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.36 : 42,465.72 = 10,783.92 : x
  2. Step 2: Convert to fraction form
    28,299.36/42,465.72 = 10,783.92/x
  3. Step 3: Cross multiply
    28,299.36x = 42,465.72 × 10,783.92
  4. Step 4: Simplify right side
    28,299.36x = 457,946,927.22
  5. Step 5: Solve for x
    x = 457,946,927.22/28,299.36
  6. Step 6: Final answer
    x = 16,182.24

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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.