Home / 20,733.04-28,602.73-13,550.50

Finding the Fourth Proportional to 20,733.04, 28,602.73 and 13,550.50

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Solution

The fourth proportional to 20,733.04, 28,602.73 and 13,550.50 is: 18,693.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.04 : 28,602.73 = 13,550.50 : x
  2. Step 2: Convert to fraction form
    20,733.04/28,602.73 = 13,550.50/x
  3. Step 3: Cross multiply
    20,733.04x = 28,602.73 × 13,550.50
  4. Step 4: Simplify right side
    20,733.04x = 387,581,223.83
  5. Step 5: Solve for x
    x = 387,581,223.83/20,733.04
  6. Step 6: Final answer
    x = 18,693.89

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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.