Home / 28,432.07-39,223.57-16,488.48

Finding the Fourth Proportional to 28,432.07, 39,223.57 and 16,488.48

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Solution

The fourth proportional to 28,432.07, 39,223.57 and 16,488.48 is: 22,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.07 : 39,223.57 = 16,488.48 : x
  2. Step 2: Convert to fraction form
    28,432.07/39,223.57 = 16,488.48/x
  3. Step 3: Cross multiply
    28,432.07x = 39,223.57 × 16,488.48
  4. Step 4: Simplify right side
    28,432.07x = 646,736,967.03
  5. Step 5: Solve for x
    x = 646,736,967.03/28,432.07
  6. Step 6: Final answer
    x = 22,746.75

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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.