Home / 28,437.56-42,682.05-14,407.28

Finding the Fourth Proportional to 28,437.56, 42,682.05 and 14,407.28

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Solution

The fourth proportional to 28,437.56, 42,682.05 and 14,407.28 is: 21,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.56 : 42,682.05 = 14,407.28 : x
  2. Step 2: Convert to fraction form
    28,437.56/42,682.05 = 14,407.28/x
  3. Step 3: Cross multiply
    28,437.56x = 42,682.05 × 14,407.28
  4. Step 4: Simplify right side
    28,437.56x = 614,932,031.91
  5. Step 5: Solve for x
    x = 614,932,031.91/28,437.56
  6. Step 6: Final answer
    x = 21,623.94

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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.