Home / 28,510.40-42,823.20-27,531.20

Finding the Fourth Proportional to 28,510.40, 42,823.20 and 27,531.20

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Solution

The fourth proportional to 28,510.40, 42,823.20 and 27,531.20 is: 41,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510.40 : 42,823.20 = 27,531.20 : x
  2. Step 2: Convert to fraction form
    28,510.40/42,823.20 = 27,531.20/x
  3. Step 3: Cross multiply
    28,510.40x = 42,823.20 × 27,531.20
  4. Step 4: Simplify right side
    28,510.40x = 1,178,974,083.84
  5. Step 5: Solve for x
    x = 1,178,974,083.84/28,510.40
  6. Step 6: Final answer
    x = 41,352.42

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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.