Home / 28,066.57-42,117.77-13,276.36

Finding the Fourth Proportional to 28,066.57, 42,117.77 and 13,276.36

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Solution

The fourth proportional to 28,066.57, 42,117.77 and 13,276.36 is: 19,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.57 : 42,117.77 = 13,276.36 : x
  2. Step 2: Convert to fraction form
    28,066.57/42,117.77 = 13,276.36/x
  3. Step 3: Cross multiply
    28,066.57x = 42,117.77 × 13,276.36
  4. Step 4: Simplify right side
    28,066.57x = 559,170,466.33
  5. Step 5: Solve for x
    x = 559,170,466.33/28,066.57
  6. Step 6: Final answer
    x = 19,923.01

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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.