Home / 28,953.89-43,416.95-14,145.47

Finding the Fourth Proportional to 28,953.89, 43,416.95 and 14,145.47

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Solution

The fourth proportional to 28,953.89, 43,416.95 and 14,145.47 is: 21,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.89 : 43,416.95 = 14,145.47 : x
  2. Step 2: Convert to fraction form
    28,953.89/43,416.95 = 14,145.47/x
  3. Step 3: Cross multiply
    28,953.89x = 43,416.95 × 14,145.47
  4. Step 4: Simplify right side
    28,953.89x = 614,152,946.63
  5. Step 5: Solve for x
    x = 614,152,946.63/28,953.89
  6. Step 6: Final answer
    x = 21,211.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.