Home / 20,281.04-28,007.16-19,176.64

Finding the Fourth Proportional to 20,281.04, 28,007.16 and 19,176.64

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Solution

The fourth proportional to 20,281.04, 28,007.16 and 19,176.64 is: 26,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.04 : 28,007.16 = 19,176.64 : x
  2. Step 2: Convert to fraction form
    20,281.04/28,007.16 = 19,176.64/x
  3. Step 3: Cross multiply
    20,281.04x = 28,007.16 × 19,176.64
  4. Step 4: Simplify right side
    20,281.04x = 537,083,224.74
  5. Step 5: Solve for x
    x = 537,083,224.74/20,281.04
  6. Step 6: Final answer
    x = 26,482.04

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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.