Home / 25,715.03-35,490.02-14,385.15

Finding the Fourth Proportional to 25,715.03, 35,490.02 and 14,385.15

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Solution

The fourth proportional to 25,715.03, 35,490.02 and 14,385.15 is: 19,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.03 : 35,490.02 = 14,385.15 : x
  2. Step 2: Convert to fraction form
    25,715.03/35,490.02 = 14,385.15/x
  3. Step 3: Cross multiply
    25,715.03x = 35,490.02 × 14,385.15
  4. Step 4: Simplify right side
    25,715.03x = 510,529,261.20
  5. Step 5: Solve for x
    x = 510,529,261.20/25,715.03
  6. Step 6: Final answer
    x = 19,853.34

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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.