Home / 28,264.60-42,403.56-8,543.32

Finding the Fourth Proportional to 28,264.60, 42,403.56 and 8,543.32

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Solution

The fourth proportional to 28,264.60, 42,403.56 and 8,543.32 is: 12,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.60 : 42,403.56 = 8,543.32 : x
  2. Step 2: Convert to fraction form
    28,264.60/42,403.56 = 8,543.32/x
  3. Step 3: Cross multiply
    28,264.60x = 42,403.56 × 8,543.32
  4. Step 4: Simplify right side
    28,264.60x = 362,267,182.22
  5. Step 5: Solve for x
    x = 362,267,182.22/28,264.60
  6. Step 6: Final answer
    x = 12,816.99

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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.