Home / 28,442.34-42,674.58-11,798.19

Finding the Fourth Proportional to 28,442.34, 42,674.58 and 11,798.19

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Solution

The fourth proportional to 28,442.34, 42,674.58 and 11,798.19 is: 17,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.34 : 42,674.58 = 11,798.19 : x
  2. Step 2: Convert to fraction form
    28,442.34/42,674.58 = 11,798.19/x
  3. Step 3: Cross multiply
    28,442.34x = 42,674.58 × 11,798.19
  4. Step 4: Simplify right side
    28,442.34x = 503,482,803.01
  5. Step 5: Solve for x
    x = 503,482,803.01/28,442.34
  6. Step 6: Final answer
    x = 17,701.88

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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.