Home / 28,254.40-42,381.60-16,444.60

Finding the Fourth Proportional to 28,254.40, 42,381.60 and 16,444.60

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Solution

The fourth proportional to 28,254.40, 42,381.60 and 16,444.60 is: 24,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.40 : 42,381.60 = 16,444.60 : x
  2. Step 2: Convert to fraction form
    28,254.40/42,381.60 = 16,444.60/x
  3. Step 3: Cross multiply
    28,254.40x = 42,381.60 × 16,444.60
  4. Step 4: Simplify right side
    28,254.40x = 696,948,459.36
  5. Step 5: Solve for x
    x = 696,948,459.36/28,254.40
  6. Step 6: Final answer
    x = 24,666.90

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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.