Home / 28,184.66-38,895.26-15,437.59

Finding the Fourth Proportional to 28,184.66, 38,895.26 and 15,437.59

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Solution

The fourth proportional to 28,184.66, 38,895.26 and 15,437.59 is: 21,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.66 : 38,895.26 = 15,437.59 : x
  2. Step 2: Convert to fraction form
    28,184.66/38,895.26 = 15,437.59/x
  3. Step 3: Cross multiply
    28,184.66x = 38,895.26 × 15,437.59
  4. Step 4: Simplify right side
    28,184.66x = 600,448,902.40
  5. Step 5: Solve for x
    x = 600,448,902.40/28,184.66
  6. Step 6: Final answer
    x = 21,304.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.