Home / 28,109.64-42,152.07-14,958.88

Finding the Fourth Proportional to 28,109.64, 42,152.07 and 14,958.88

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Solution

The fourth proportional to 28,109.64, 42,152.07 and 14,958.88 is: 22,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,109.64 : 42,152.07 = 14,958.88 : x
  2. Step 2: Convert to fraction form
    28,109.64/42,152.07 = 14,958.88/x
  3. Step 3: Cross multiply
    28,109.64x = 42,152.07 × 14,958.88
  4. Step 4: Simplify right side
    28,109.64x = 630,547,756.88
  5. Step 5: Solve for x
    x = 630,547,756.88/28,109.64
  6. Step 6: Final answer
    x = 22,431.73

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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.