Home / 28,594.20-42,899.98-13,800.36

Finding the Fourth Proportional to 28,594.20, 42,899.98 and 13,800.36

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Solution

The fourth proportional to 28,594.20, 42,899.98 and 13,800.36 is: 20,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.20 : 42,899.98 = 13,800.36 : x
  2. Step 2: Convert to fraction form
    28,594.20/42,899.98 = 13,800.36/x
  3. Step 3: Cross multiply
    28,594.20x = 42,899.98 × 13,800.36
  4. Step 4: Simplify right side
    28,594.20x = 592,035,167.99
  5. Step 5: Solve for x
    x = 592,035,167.99/28,594.20
  6. Step 6: Final answer
    x = 20,704.73

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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.