Home / 28,298.99-42,393.02-16,427.87

Finding the Fourth Proportional to 28,298.99, 42,393.02 and 16,427.87

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Solution

The fourth proportional to 28,298.99, 42,393.02 and 16,427.87 is: 24,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.99 : 42,393.02 = 16,427.87 : x
  2. Step 2: Convert to fraction form
    28,298.99/42,393.02 = 16,427.87/x
  3. Step 3: Cross multiply
    28,298.99x = 42,393.02 × 16,427.87
  4. Step 4: Simplify right side
    28,298.99x = 696,426,978.74
  5. Step 5: Solve for x
    x = 696,426,978.74/28,298.99
  6. Step 6: Final answer
    x = 24,609.60

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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.