Home / 28,717.56-43,038.90-14,665.74

Finding the Fourth Proportional to 28,717.56, 43,038.90 and 14,665.74

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Solution

The fourth proportional to 28,717.56, 43,038.90 and 14,665.74 is: 21,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.56 : 43,038.90 = 14,665.74 : x
  2. Step 2: Convert to fraction form
    28,717.56/43,038.90 = 14,665.74/x
  3. Step 3: Cross multiply
    28,717.56x = 43,038.90 × 14,665.74
  4. Step 4: Simplify right side
    28,717.56x = 631,197,317.29
  5. Step 5: Solve for x
    x = 631,197,317.29/28,717.56
  6. Step 6: Final answer
    x = 21,979.49

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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.