Home / 28,303.10-42,452.18-9,582.74

Finding the Fourth Proportional to 28,303.10, 42,452.18 and 9,582.74

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Solution

The fourth proportional to 28,303.10, 42,452.18 and 9,582.74 is: 14,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.10 : 42,452.18 = 9,582.74 : x
  2. Step 2: Convert to fraction form
    28,303.10/42,452.18 = 9,582.74/x
  3. Step 3: Cross multiply
    28,303.10x = 42,452.18 × 9,582.74
  4. Step 4: Simplify right side
    28,303.10x = 406,808,203.37
  5. Step 5: Solve for x
    x = 406,808,203.37/28,303.10
  6. Step 6: Final answer
    x = 14,373.27

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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.