Home / 28,293.78-39,045.87-16,358.16

Finding the Fourth Proportional to 28,293.78, 39,045.87 and 16,358.16

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Solution

The fourth proportional to 28,293.78, 39,045.87 and 16,358.16 is: 22,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.78 : 39,045.87 = 16,358.16 : x
  2. Step 2: Convert to fraction form
    28,293.78/39,045.87 = 16,358.16/x
  3. Step 3: Cross multiply
    28,293.78x = 39,045.87 × 16,358.16
  4. Step 4: Simplify right side
    28,293.78x = 638,718,588.80
  5. Step 5: Solve for x
    x = 638,718,588.80/28,293.78
  6. Step 6: Final answer
    x = 22,574.52

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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.