Home / 20,502.24-28,298.64-19,263.20

Finding the Fourth Proportional to 20,502.24, 28,298.64 and 19,263.20

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Solution

The fourth proportional to 20,502.24, 28,298.64 and 19,263.20 is: 26,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.24 : 28,298.64 = 19,263.20 : x
  2. Step 2: Convert to fraction form
    20,502.24/28,298.64 = 19,263.20/x
  3. Step 3: Cross multiply
    20,502.24x = 28,298.64 × 19,263.20
  4. Step 4: Simplify right side
    20,502.24x = 545,122,362.05
  5. Step 5: Solve for x
    x = 545,122,362.05/20,502.24
  6. Step 6: Final answer
    x = 26,588.43

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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.