Home / 28,284.71-42,444.96-15,812.94

Finding the Fourth Proportional to 28,284.71, 42,444.96 and 15,812.94

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Solution

The fourth proportional to 28,284.71, 42,444.96 and 15,812.94 is: 23,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.71 : 42,444.96 = 15,812.94 : x
  2. Step 2: Convert to fraction form
    28,284.71/42,444.96 = 15,812.94/x
  3. Step 3: Cross multiply
    28,284.71x = 42,444.96 × 15,812.94
  4. Step 4: Simplify right side
    28,284.71x = 671,179,605.78
  5. Step 5: Solve for x
    x = 671,179,605.78/28,284.71
  6. Step 6: Final answer
    x = 23,729.41

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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.