Home / 28,027.95-42,032.67-10,254.57

Finding the Fourth Proportional to 28,027.95, 42,032.67 and 10,254.57

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Solution

The fourth proportional to 28,027.95, 42,032.67 and 10,254.57 is: 15,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.95 : 42,032.67 = 10,254.57 : x
  2. Step 2: Convert to fraction form
    28,027.95/42,032.67 = 10,254.57/x
  3. Step 3: Cross multiply
    28,027.95x = 42,032.67 × 10,254.57
  4. Step 4: Simplify right side
    28,027.95x = 431,026,956.80
  5. Step 5: Solve for x
    x = 431,026,956.80/28,027.95
  6. Step 6: Final answer
    x = 15,378.47

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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.