Home / 25,640.63-35,385.85-14,312.35

Finding the Fourth Proportional to 25,640.63, 35,385.85 and 14,312.35

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Solution

The fourth proportional to 25,640.63, 35,385.85 and 14,312.35 is: 19,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.63 : 35,385.85 = 14,312.35 : x
  2. Step 2: Convert to fraction form
    25,640.63/35,385.85 = 14,312.35/x
  3. Step 3: Cross multiply
    25,640.63x = 35,385.85 × 14,312.35
  4. Step 4: Simplify right side
    25,640.63x = 506,454,452.82
  5. Step 5: Solve for x
    x = 506,454,452.82/25,640.63
  6. Step 6: Final answer
    x = 19,752.03

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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.