Home / 28,467.40-42,701.61-8,746.13

Finding the Fourth Proportional to 28,467.40, 42,701.61 and 8,746.13

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Solution

The fourth proportional to 28,467.40, 42,701.61 and 8,746.13 is: 13,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.40 : 42,701.61 = 8,746.13 : x
  2. Step 2: Convert to fraction form
    28,467.40/42,701.61 = 8,746.13/x
  3. Step 3: Cross multiply
    28,467.40x = 42,701.61 × 8,746.13
  4. Step 4: Simplify right side
    28,467.40x = 373,473,832.27
  5. Step 5: Solve for x
    x = 373,473,832.27/28,467.40
  6. Step 6: Final answer
    x = 13,119.35

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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.