Home / 28,929.06-39,925.80-16,182.95

Finding the Fourth Proportional to 28,929.06, 39,925.80 and 16,182.95

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Solution

The fourth proportional to 28,929.06, 39,925.80 and 16,182.95 is: 22,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.06 : 39,925.80 = 16,182.95 : x
  2. Step 2: Convert to fraction form
    28,929.06/39,925.80 = 16,182.95/x
  3. Step 3: Cross multiply
    28,929.06x = 39,925.80 × 16,182.95
  4. Step 4: Simplify right side
    28,929.06x = 646,117,225.11
  5. Step 5: Solve for x
    x = 646,117,225.11/28,929.06
  6. Step 6: Final answer
    x = 22,334.54

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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.