Home / 28,695.42-39,599.40-15,948.63

Finding the Fourth Proportional to 28,695.42, 39,599.40 and 15,948.63

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Solution

The fourth proportional to 28,695.42, 39,599.40 and 15,948.63 is: 22,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.42 : 39,599.40 = 15,948.63 : x
  2. Step 2: Convert to fraction form
    28,695.42/39,599.40 = 15,948.63/x
  3. Step 3: Cross multiply
    28,695.42x = 39,599.40 × 15,948.63
  4. Step 4: Simplify right side
    28,695.42x = 631,556,178.82
  5. Step 5: Solve for x
    x = 631,556,178.82/28,695.42
  6. Step 6: Final answer
    x = 22,008.95

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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.