Home / 28,271.66-42,352.06-16,400.51

Finding the Fourth Proportional to 28,271.66, 42,352.06 and 16,400.51

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Solution

The fourth proportional to 28,271.66, 42,352.06 and 16,400.51 is: 24,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.66 : 42,352.06 = 16,400.51 : x
  2. Step 2: Convert to fraction form
    28,271.66/42,352.06 = 16,400.51/x
  3. Step 3: Cross multiply
    28,271.66x = 42,352.06 × 16,400.51
  4. Step 4: Simplify right side
    28,271.66x = 694,595,130.79
  5. Step 5: Solve for x
    x = 694,595,130.79/28,271.66
  6. Step 6: Final answer
    x = 24,568.60

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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.