Home / 28,245.18-42,341.58-10,703.28

Finding the Fourth Proportional to 28,245.18, 42,341.58 and 10,703.28

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Solution

The fourth proportional to 28,245.18, 42,341.58 and 10,703.28 is: 16,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.18 : 42,341.58 = 10,703.28 : x
  2. Step 2: Convert to fraction form
    28,245.18/42,341.58 = 10,703.28/x
  3. Step 3: Cross multiply
    28,245.18x = 42,341.58 × 10,703.28
  4. Step 4: Simplify right side
    28,245.18x = 453,193,786.38
  5. Step 5: Solve for x
    x = 453,193,786.38/28,245.18
  6. Step 6: Final answer
    x = 16,045.00

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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.