Home / 28,312.55-42,487.05-16,466.30

Finding the Fourth Proportional to 28,312.55, 42,487.05 and 16,466.30

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Solution

The fourth proportional to 28,312.55, 42,487.05 and 16,466.30 is: 24,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.55 : 42,487.05 = 16,466.30 : x
  2. Step 2: Convert to fraction form
    28,312.55/42,487.05 = 16,466.30/x
  3. Step 3: Cross multiply
    28,312.55x = 42,487.05 × 16,466.30
  4. Step 4: Simplify right side
    28,312.55x = 699,604,511.42
  5. Step 5: Solve for x
    x = 699,604,511.42/28,312.55
  6. Step 6: Final answer
    x = 24,710.05

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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.