Home / 28,275.57-42,376.95-14,948.01

Finding the Fourth Proportional to 28,275.57, 42,376.95 and 14,948.01

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Solution

The fourth proportional to 28,275.57, 42,376.95 and 14,948.01 is: 22,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.57 : 42,376.95 = 14,948.01 : x
  2. Step 2: Convert to fraction form
    28,275.57/42,376.95 = 14,948.01/x
  3. Step 3: Cross multiply
    28,275.57x = 42,376.95 × 14,948.01
  4. Step 4: Simplify right side
    28,275.57x = 633,451,072.37
  5. Step 5: Solve for x
    x = 633,451,072.37/28,275.57
  6. Step 6: Final answer
    x = 22,402.77

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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.