Home / 28,458.34-42,681.13-8,737.07

Finding the Fourth Proportional to 28,458.34, 42,681.13 and 8,737.07

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Solution

The fourth proportional to 28,458.34, 42,681.13 and 8,737.07 is: 13,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.34 : 42,681.13 = 8,737.07 : x
  2. Step 2: Convert to fraction form
    28,458.34/42,681.13 = 8,737.07/x
  3. Step 3: Cross multiply
    28,458.34x = 42,681.13 × 8,737.07
  4. Step 4: Simplify right side
    28,458.34x = 372,907,785.24
  5. Step 5: Solve for x
    x = 372,907,785.24/28,458.34
  6. Step 6: Final answer
    x = 13,103.64

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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.