Home / 28,545.14-42,838.74-13,552.32

Finding the Fourth Proportional to 28,545.14, 42,838.74 and 13,552.32

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Solution

The fourth proportional to 28,545.14, 42,838.74 and 13,552.32 is: 20,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545.14 : 42,838.74 = 13,552.32 : x
  2. Step 2: Convert to fraction form
    28,545.14/42,838.74 = 13,552.32/x
  3. Step 3: Cross multiply
    28,545.14x = 42,838.74 × 13,552.32
  4. Step 4: Simplify right side
    28,545.14x = 580,564,312.88
  5. Step 5: Solve for x
    x = 580,564,312.88/28,545.14
  6. Step 6: Final answer
    x = 20,338.46

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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.