Home / 28,598.40-39,465.12-16,022.88

Finding the Fourth Proportional to 28,598.40, 39,465.12 and 16,022.88

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Solution

The fourth proportional to 28,598.40, 39,465.12 and 16,022.88 is: 22,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.40 : 39,465.12 = 16,022.88 : x
  2. Step 2: Convert to fraction form
    28,598.40/39,465.12 = 16,022.88/x
  3. Step 3: Cross multiply
    28,598.40x = 39,465.12 × 16,022.88
  4. Step 4: Simplify right side
    28,598.40x = 632,344,881.95
  5. Step 5: Solve for x
    x = 632,344,881.95/28,598.40
  6. Step 6: Final answer
    x = 22,111.20

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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.