Home / 19,254.36-28,847.52-13,399.68

Finding the Fourth Proportional to 19,254.36, 28,847.52 and 13,399.68

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Solution

The fourth proportional to 19,254.36, 28,847.52 and 13,399.68 is: 20,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.36 : 28,847.52 = 13,399.68 : x
  2. Step 2: Convert to fraction form
    19,254.36/28,847.52 = 13,399.68/x
  3. Step 3: Cross multiply
    19,254.36x = 28,847.52 × 13,399.68
  4. Step 4: Simplify right side
    19,254.36x = 386,547,536.79
  5. Step 5: Solve for x
    x = 386,547,536.79/19,254.36
  6. Step 6: Final answer
    x = 20,075.84

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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.