Home / 28,925.37-39,916.71-16,178.40

Finding the Fourth Proportional to 28,925.37, 39,916.71 and 16,178.40

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Solution

The fourth proportional to 28,925.37, 39,916.71 and 16,178.40 is: 22,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.37 : 39,916.71 = 16,178.40 : x
  2. Step 2: Convert to fraction form
    28,925.37/39,916.71 = 16,178.40/x
  3. Step 3: Cross multiply
    28,925.37x = 39,916.71 × 16,178.40
  4. Step 4: Simplify right side
    28,925.37x = 645,788,501.06
  5. Step 5: Solve for x
    x = 645,788,501.06/28,925.37
  6. Step 6: Final answer
    x = 22,326.02

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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.