Home / 28,008.32-42,025.23-10,479.51

Finding the Fourth Proportional to 28,008.32, 42,025.23 and 10,479.51

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Solution

The fourth proportional to 28,008.32, 42,025.23 and 10,479.51 is: 15,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.32 : 42,025.23 = 10,479.51 : x
  2. Step 2: Convert to fraction form
    28,008.32/42,025.23 = 10,479.51/x
  3. Step 3: Cross multiply
    28,008.32x = 42,025.23 × 10,479.51
  4. Step 4: Simplify right side
    28,008.32x = 440,403,818.04
  5. Step 5: Solve for x
    x = 440,403,818.04/28,008.32
  6. Step 6: Final answer
    x = 15,724.04

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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.