Home / 25,541.95-35,248.73-15,978.78

Finding the Fourth Proportional to 25,541.95, 35,248.73 and 15,978.78

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Solution

The fourth proportional to 25,541.95, 35,248.73 and 15,978.78 is: 22,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541.95 : 35,248.73 = 15,978.78 : x
  2. Step 2: Convert to fraction form
    25,541.95/35,248.73 = 15,978.78/x
  3. Step 3: Cross multiply
    25,541.95x = 35,248.73 × 15,978.78
  4. Step 4: Simplify right side
    25,541.95x = 563,231,682.86
  5. Step 5: Solve for x
    x = 563,231,682.86/25,541.95
  6. Step 6: Final answer
    x = 22,051.24

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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.