Home / 28,278.71-42,403.52-14,958.86

Finding the Fourth Proportional to 28,278.71, 42,403.52 and 14,958.86

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Solution

The fourth proportional to 28,278.71, 42,403.52 and 14,958.86 is: 22,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.71 : 42,403.52 = 14,958.86 : x
  2. Step 2: Convert to fraction form
    28,278.71/42,403.52 = 14,958.86/x
  3. Step 3: Cross multiply
    28,278.71x = 42,403.52 × 14,958.86
  4. Step 4: Simplify right side
    28,278.71x = 634,308,032.38
  5. Step 5: Solve for x
    x = 634,308,032.38/28,278.71
  6. Step 6: Final answer
    x = 22,430.59

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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.