Home / 25,590.24-35,315.28-14,978.88

Finding the Fourth Proportional to 25,590.24, 35,315.28 and 14,978.88

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Solution

The fourth proportional to 25,590.24, 35,315.28 and 14,978.88 is: 20,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.24 : 35,315.28 = 14,978.88 : x
  2. Step 2: Convert to fraction form
    25,590.24/35,315.28 = 14,978.88/x
  3. Step 3: Cross multiply
    25,590.24x = 35,315.28 × 14,978.88
  4. Step 4: Simplify right side
    25,590.24x = 528,983,341.29
  5. Step 5: Solve for x
    x = 528,983,341.29/25,590.24
  6. Step 6: Final answer
    x = 20,671.29

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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.