Home / 28,459.68-39,275.88-16,526.76

Finding the Fourth Proportional to 28,459.68, 39,275.88 and 16,526.76

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Solution

The fourth proportional to 28,459.68, 39,275.88 and 16,526.76 is: 22,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459.68 : 39,275.88 = 16,526.76 : x
  2. Step 2: Convert to fraction form
    28,459.68/39,275.88 = 16,526.76/x
  3. Step 3: Cross multiply
    28,459.68x = 39,275.88 × 16,526.76
  4. Step 4: Simplify right side
    28,459.68x = 649,103,042.55
  5. Step 5: Solve for x
    x = 649,103,042.55/28,459.68
  6. Step 6: Final answer
    x = 22,807.81

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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.