Home / 28,953.11-43,437.16-16,955.40

Finding the Fourth Proportional to 28,953.11, 43,437.16 and 16,955.40

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Solution

The fourth proportional to 28,953.11, 43,437.16 and 16,955.40 is: 25,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.11 : 43,437.16 = 16,955.40 : x
  2. Step 2: Convert to fraction form
    28,953.11/43,437.16 = 16,955.40/x
  3. Step 3: Cross multiply
    28,953.11x = 43,437.16 × 16,955.40
  4. Step 4: Simplify right side
    28,953.11x = 736,494,120.70
  5. Step 5: Solve for x
    x = 736,494,120.70/28,953.11
  6. Step 6: Final answer
    x = 25,437.48

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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.