Home / 28,538.40-42,807.60-24,175.20

Finding the Fourth Proportional to 28,538.40, 42,807.60 and 24,175.20

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Solution

The fourth proportional to 28,538.40, 42,807.60 and 24,175.20 is: 36,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.40 : 42,807.60 = 24,175.20 : x
  2. Step 2: Convert to fraction form
    28,538.40/42,807.60 = 24,175.20/x
  3. Step 3: Cross multiply
    28,538.40x = 42,807.60 × 24,175.20
  4. Step 4: Simplify right side
    28,538.40x = 1,034,882,291.52
  5. Step 5: Solve for x
    x = 1,034,882,291.52/28,538.40
  6. Step 6: Final answer
    x = 36,262.80

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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.