Home / 20,397.24-30,590.28-5,602.65

Finding the Fourth Proportional to 20,397.24, 30,590.28 and 5,602.65

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Solution

The fourth proportional to 20,397.24, 30,590.28 and 5,602.65 is: 8,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.24 : 30,590.28 = 5,602.65 : x
  2. Step 2: Convert to fraction form
    20,397.24/30,590.28 = 5,602.65/x
  3. Step 3: Cross multiply
    20,397.24x = 30,590.28 × 5,602.65
  4. Step 4: Simplify right side
    20,397.24x = 171,386,632.24
  5. Step 5: Solve for x
    x = 171,386,632.24/20,397.24
  6. Step 6: Final answer
    x = 8,402.44

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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.