Home / 28,275.64-42,411.63-10,745.02

Finding the Fourth Proportional to 28,275.64, 42,411.63 and 10,745.02

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Solution

The fourth proportional to 28,275.64, 42,411.63 and 10,745.02 is: 16,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.64 : 42,411.63 = 10,745.02 : x
  2. Step 2: Convert to fraction form
    28,275.64/42,411.63 = 10,745.02/x
  3. Step 3: Cross multiply
    28,275.64x = 42,411.63 × 10,745.02
  4. Step 4: Simplify right side
    28,275.64x = 455,713,812.58
  5. Step 5: Solve for x
    x = 455,713,812.58/28,275.64
  6. Step 6: Final answer
    x = 16,116.83

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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.