Home / 25,037.32-34,541.40-14,421.28

Finding the Fourth Proportional to 25,037.32, 34,541.40 and 14,421.28

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Solution

The fourth proportional to 25,037.32, 34,541.40 and 14,421.28 is: 19,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,037.32 : 34,541.40 = 14,421.28 : x
  2. Step 2: Convert to fraction form
    25,037.32/34,541.40 = 14,421.28/x
  3. Step 3: Cross multiply
    25,037.32x = 34,541.40 × 14,421.28
  4. Step 4: Simplify right side
    25,037.32x = 498,131,200.99
  5. Step 5: Solve for x
    x = 498,131,200.99/25,037.32
  6. Step 6: Final answer
    x = 19,895.55

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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.