Home / 28,924.65-39,916.31-16,988.19

Finding the Fourth Proportional to 28,924.65, 39,916.31 and 16,988.19

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Solution

The fourth proportional to 28,924.65, 39,916.31 and 16,988.19 is: 23,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.65 : 39,916.31 = 16,988.19 : x
  2. Step 2: Convert to fraction form
    28,924.65/39,916.31 = 16,988.19/x
  3. Step 3: Cross multiply
    28,924.65x = 39,916.31 × 16,988.19
  4. Step 4: Simplify right side
    28,924.65x = 678,105,719.31
  5. Step 5: Solve for x
    x = 678,105,719.31/28,924.65
  6. Step 6: Final answer
    x = 23,443.87

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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.