Home / 28,210.16-38,938.59-16,281.29

Finding the Fourth Proportional to 28,210.16, 38,938.59 and 16,281.29

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Solution

The fourth proportional to 28,210.16, 38,938.59 and 16,281.29 is: 22,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.16 : 38,938.59 = 16,281.29 : x
  2. Step 2: Convert to fraction form
    28,210.16/38,938.59 = 16,281.29/x
  3. Step 3: Cross multiply
    28,210.16x = 38,938.59 × 16,281.29
  4. Step 4: Simplify right side
    28,210.16x = 633,970,281.29
  5. Step 5: Solve for x
    x = 633,970,281.29/28,210.16
  6. Step 6: Final answer
    x = 22,473.12

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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.