Home / 28,541.60-42,812.40-16,848.80

Finding the Fourth Proportional to 28,541.60, 42,812.40 and 16,848.80

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Solution

The fourth proportional to 28,541.60, 42,812.40 and 16,848.80 is: 25,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.60 : 42,812.40 = 16,848.80 : x
  2. Step 2: Convert to fraction form
    28,541.60/42,812.40 = 16,848.80/x
  3. Step 3: Cross multiply
    28,541.60x = 42,812.40 × 16,848.80
  4. Step 4: Simplify right side
    28,541.60x = 721,337,565.12
  5. Step 5: Solve for x
    x = 721,337,565.12/28,541.60
  6. Step 6: Final answer
    x = 25,273.20

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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.