Home / 28,697.40-39,602.36-15,950.18

Finding the Fourth Proportional to 28,697.40, 39,602.36 and 15,950.18

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Solution

The fourth proportional to 28,697.40, 39,602.36 and 15,950.18 is: 22,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.40 : 39,602.36 = 15,950.18 : x
  2. Step 2: Convert to fraction form
    28,697.40/39,602.36 = 15,950.18/x
  3. Step 3: Cross multiply
    28,697.40x = 39,602.36 × 15,950.18
  4. Step 4: Simplify right side
    28,697.40x = 631,664,492.66
  5. Step 5: Solve for x
    x = 631,664,492.66/28,697.40
  6. Step 6: Final answer
    x = 22,011.21

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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.