Home / 28,180.56-42,276.48-12,598.08

Finding the Fourth Proportional to 28,180.56, 42,276.48 and 12,598.08

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Solution

The fourth proportional to 28,180.56, 42,276.48 and 12,598.08 is: 18,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.56 : 42,276.48 = 12,598.08 : x
  2. Step 2: Convert to fraction form
    28,180.56/42,276.48 = 12,598.08/x
  3. Step 3: Cross multiply
    28,180.56x = 42,276.48 × 12,598.08
  4. Step 4: Simplify right side
    28,180.56x = 532,602,477.16
  5. Step 5: Solve for x
    x = 532,602,477.16/28,180.56
  6. Step 6: Final answer
    x = 18,899.64

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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.