Home / 28,275.26-42,407.42-8,549.19

Finding the Fourth Proportional to 28,275.26, 42,407.42 and 8,549.19

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Solution

The fourth proportional to 28,275.26, 42,407.42 and 8,549.19 is: 12,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.26 : 42,407.42 = 8,549.19 : x
  2. Step 2: Convert to fraction form
    28,275.26/42,407.42 = 8,549.19/x
  3. Step 3: Cross multiply
    28,275.26x = 42,407.42 × 8,549.19
  4. Step 4: Simplify right side
    28,275.26x = 362,549,048.24
  5. Step 5: Solve for x
    x = 362,549,048.24/28,275.26
  6. Step 6: Final answer
    x = 12,822.13

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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.