Home / 20,699.64-31,041.61-8,852.91

Finding the Fourth Proportional to 20,699.64, 31,041.61 and 8,852.91

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Solution

The fourth proportional to 20,699.64, 31,041.61 and 8,852.91 is: 13,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.64 : 31,041.61 = 8,852.91 : x
  2. Step 2: Convert to fraction form
    20,699.64/31,041.61 = 8,852.91/x
  3. Step 3: Cross multiply
    20,699.64x = 31,041.61 × 8,852.91
  4. Step 4: Simplify right side
    20,699.64x = 274,808,579.59
  5. Step 5: Solve for x
    x = 274,808,579.59/20,699.64
  6. Step 6: Final answer
    x = 13,276.01

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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.