Home / 40,276.46-60,425.58-28,663.40

Finding the Fourth Proportional to 40,276.46, 60,425.58 and 28,663.40

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Solution

The fourth proportional to 40,276.46, 60,425.58 and 28,663.40 is: 43,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.46 : 60,425.58 = 28,663.40 : x
  2. Step 2: Convert to fraction form
    40,276.46/60,425.58 = 28,663.40/x
  3. Step 3: Cross multiply
    40,276.46x = 60,425.58 × 28,663.40
  4. Step 4: Simplify right side
    40,276.46x = 1,732,002,569.77
  5. Step 5: Solve for x
    x = 1,732,002,569.77/40,276.46
  6. Step 6: Final answer
    x = 43,002.85

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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.