Home / 28,214.03-38,953.08-18,159.95

Finding the Fourth Proportional to 28,214.03, 38,953.08 and 18,159.95

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Solution

The fourth proportional to 28,214.03, 38,953.08 and 18,159.95 is: 25,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.03 : 38,953.08 = 18,159.95 : x
  2. Step 2: Convert to fraction form
    28,214.03/38,953.08 = 18,159.95/x
  3. Step 3: Cross multiply
    28,214.03x = 38,953.08 × 18,159.95
  4. Step 4: Simplify right side
    28,214.03x = 707,385,985.15
  5. Step 5: Solve for x
    x = 707,385,985.15/28,214.03
  6. Step 6: Final answer
    x = 25,072.14

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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.