Home / 28,393.16-42,559.16-13,570.56

Finding the Fourth Proportional to 28,393.16, 42,559.16 and 13,570.56

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Solution

The fourth proportional to 28,393.16, 42,559.16 and 13,570.56 is: 20,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.16 : 42,559.16 = 13,570.56 : x
  2. Step 2: Convert to fraction form
    28,393.16/42,559.16 = 13,570.56/x
  3. Step 3: Cross multiply
    28,393.16x = 42,559.16 × 13,570.56
  4. Step 4: Simplify right side
    28,393.16x = 577,551,566.48
  5. Step 5: Solve for x
    x = 577,551,566.48/28,393.16
  6. Step 6: Final answer
    x = 20,341.23

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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.