Home / 28,421.66-42,632.90-23,150.59

Finding the Fourth Proportional to 28,421.66, 42,632.90 and 23,150.59

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Solution

The fourth proportional to 28,421.66, 42,632.90 and 23,150.59 is: 34,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421.66 : 42,632.90 = 23,150.59 : x
  2. Step 2: Convert to fraction form
    28,421.66/42,632.90 = 23,150.59/x
  3. Step 3: Cross multiply
    28,421.66x = 42,632.90 × 23,150.59
  4. Step 4: Simplify right side
    28,421.66x = 986,976,788.41
  5. Step 5: Solve for x
    x = 986,976,788.41/28,421.66
  6. Step 6: Final answer
    x = 34,726.22

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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.