Home / 28,931.55-39,925.32-16,184.68

Finding the Fourth Proportional to 28,931.55, 39,925.32 and 16,184.68

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Solution

The fourth proportional to 28,931.55, 39,925.32 and 16,184.68 is: 22,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.55 : 39,925.32 = 16,184.68 : x
  2. Step 2: Convert to fraction form
    28,931.55/39,925.32 = 16,184.68/x
  3. Step 3: Cross multiply
    28,931.55x = 39,925.32 × 16,184.68
  4. Step 4: Simplify right side
    28,931.55x = 646,178,458.63
  5. Step 5: Solve for x
    x = 646,178,458.63/28,931.55
  6. Step 6: Final answer
    x = 22,334.74

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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.