Home / 28,951.40-43,421.93-15,618.19

Finding the Fourth Proportional to 28,951.40, 43,421.93 and 15,618.19

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Solution

The fourth proportional to 28,951.40, 43,421.93 and 15,618.19 is: 23,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.40 : 43,421.93 = 15,618.19 : x
  2. Step 2: Convert to fraction form
    28,951.40/43,421.93 = 15,618.19/x
  3. Step 3: Cross multiply
    28,951.40x = 43,421.93 × 15,618.19
  4. Step 4: Simplify right side
    28,951.40x = 678,171,952.91
  5. Step 5: Solve for x
    x = 678,171,952.91/28,951.40
  6. Step 6: Final answer
    x = 23,424.50

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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.