Home / 28,623.41-39,500.45-15,875.71

Finding the Fourth Proportional to 28,623.41, 39,500.45 and 15,875.71

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Solution

The fourth proportional to 28,623.41, 39,500.45 and 15,875.71 is: 21,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.41 : 39,500.45 = 15,875.71 : x
  2. Step 2: Convert to fraction form
    28,623.41/39,500.45 = 15,875.71/x
  3. Step 3: Cross multiply
    28,623.41x = 39,500.45 × 15,875.71
  4. Step 4: Simplify right side
    28,623.41x = 627,097,689.07
  5. Step 5: Solve for x
    x = 627,097,689.07/28,623.41
  6. Step 6: Final answer
    x = 21,908.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.