Home / 28,023.76-42,061.88-14,182.48

Finding the Fourth Proportional to 28,023.76, 42,061.88 and 14,182.48

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Solution

The fourth proportional to 28,023.76, 42,061.88 and 14,182.48 is: 21,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.76 : 42,061.88 = 14,182.48 : x
  2. Step 2: Convert to fraction form
    28,023.76/42,061.88 = 14,182.48/x
  3. Step 3: Cross multiply
    28,023.76x = 42,061.88 × 14,182.48
  4. Step 4: Simplify right side
    28,023.76x = 596,541,771.86
  5. Step 5: Solve for x
    x = 596,541,771.86/28,023.76
  6. Step 6: Final answer
    x = 21,287.00

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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.