Home / 28,590.32-42,852.32-16,913.36

Finding the Fourth Proportional to 28,590.32, 42,852.32 and 16,913.36

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Solution

The fourth proportional to 28,590.32, 42,852.32 and 16,913.36 is: 25,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.32 : 42,852.32 = 16,913.36 : x
  2. Step 2: Convert to fraction form
    28,590.32/42,852.32 = 16,913.36/x
  3. Step 3: Cross multiply
    28,590.32x = 42,852.32 × 16,913.36
  4. Step 4: Simplify right side
    28,590.32x = 724,776,715.00
  5. Step 5: Solve for x
    x = 724,776,715.00/28,590.32
  6. Step 6: Final answer
    x = 25,350.42

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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.