Home / 28,265.61-39,006.81-16,328.67

Finding the Fourth Proportional to 28,265.61, 39,006.81 and 16,328.67

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Solution

The fourth proportional to 28,265.61, 39,006.81 and 16,328.67 is: 22,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.61 : 39,006.81 = 16,328.67 : x
  2. Step 2: Convert to fraction form
    28,265.61/39,006.81 = 16,328.67/x
  3. Step 3: Cross multiply
    28,265.61x = 39,006.81 × 16,328.67
  4. Step 4: Simplify right side
    28,265.61x = 636,929,328.24
  5. Step 5: Solve for x
    x = 636,929,328.24/28,265.61
  6. Step 6: Final answer
    x = 22,533.72

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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.