Home / 20,488.35-28,214.41-17,798.34

Finding the Fourth Proportional to 20,488.35, 28,214.41 and 17,798.34

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Solution

The fourth proportional to 20,488.35, 28,214.41 and 17,798.34 is: 24,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488.35 : 28,214.41 = 17,798.34 : x
  2. Step 2: Convert to fraction form
    20,488.35/28,214.41 = 17,798.34/x
  3. Step 3: Cross multiply
    20,488.35x = 28,214.41 × 17,798.34
  4. Step 4: Simplify right side
    20,488.35x = 502,169,662.08
  5. Step 5: Solve for x
    x = 502,169,662.08/20,488.35
  6. Step 6: Final answer
    x = 24,510.01

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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.