Home / 26,987.60-40,432.80-16,587.20

Finding the Fourth Proportional to 26,987.60, 40,432.80 and 16,587.20

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Solution

The fourth proportional to 26,987.60, 40,432.80 and 16,587.20 is: 24,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.60 : 40,432.80 = 16,587.20 : x
  2. Step 2: Convert to fraction form
    26,987.60/40,432.80 = 16,587.20/x
  3. Step 3: Cross multiply
    26,987.60x = 40,432.80 × 16,587.20
  4. Step 4: Simplify right side
    26,987.60x = 670,666,940.16
  5. Step 5: Solve for x
    x = 670,666,940.16/26,987.60
  6. Step 6: Final answer
    x = 24,850.93

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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.