Home / 28,479.46-39,298.74-16,545.32

Finding the Fourth Proportional to 28,479.46, 39,298.74 and 16,545.32

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Solution

The fourth proportional to 28,479.46, 39,298.74 and 16,545.32 is: 22,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479.46 : 39,298.74 = 16,545.32 : x
  2. Step 2: Convert to fraction form
    28,479.46/39,298.74 = 16,545.32/x
  3. Step 3: Cross multiply
    28,479.46x = 39,298.74 × 16,545.32
  4. Step 4: Simplify right side
    28,479.46x = 650,210,228.90
  5. Step 5: Solve for x
    x = 650,210,228.90/28,479.46
  6. Step 6: Final answer
    x = 22,830.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.