Home / 20,559.55-28,287.61-19,247.35

Finding the Fourth Proportional to 20,559.55, 28,287.61 and 19,247.35

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Solution

The fourth proportional to 20,559.55, 28,287.61 and 19,247.35 is: 26,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.55 : 28,287.61 = 19,247.35 : x
  2. Step 2: Convert to fraction form
    20,559.55/28,287.61 = 19,247.35/x
  3. Step 3: Cross multiply
    20,559.55x = 28,287.61 × 19,247.35
  4. Step 4: Simplify right side
    20,559.55x = 544,461,530.33
  5. Step 5: Solve for x
    x = 544,461,530.33/20,559.55
  6. Step 6: Final answer
    x = 26,482.17

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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.