Home / 28,925.84-39,921.16-16,350.48

Finding the Fourth Proportional to 28,925.84, 39,921.16 and 16,350.48

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Solution

The fourth proportional to 28,925.84, 39,921.16 and 16,350.48 is: 22,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.84 : 39,921.16 = 16,350.48 : x
  2. Step 2: Convert to fraction form
    28,925.84/39,921.16 = 16,350.48/x
  3. Step 3: Cross multiply
    28,925.84x = 39,921.16 × 16,350.48
  4. Step 4: Simplify right side
    28,925.84x = 652,730,128.16
  5. Step 5: Solve for x
    x = 652,730,128.16/28,925.84
  6. Step 6: Final answer
    x = 22,565.64

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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.