Home / 28,352.67-42,510.78-13,561.26

Finding the Fourth Proportional to 28,352.67, 42,510.78 and 13,561.26

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Solution

The fourth proportional to 28,352.67, 42,510.78 and 13,561.26 is: 20,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.67 : 42,510.78 = 13,561.26 : x
  2. Step 2: Convert to fraction form
    28,352.67/42,510.78 = 13,561.26/x
  3. Step 3: Cross multiply
    28,352.67x = 42,510.78 × 13,561.26
  4. Step 4: Simplify right side
    28,352.67x = 576,499,740.38
  5. Step 5: Solve for x
    x = 576,499,740.38/28,352.67
  6. Step 6: Final answer
    x = 20,333.17

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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.