Home / 25,434.66-38,108.98-15,553.20

Finding the Fourth Proportional to 25,434.66, 38,108.98 and 15,553.20

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Solution

The fourth proportional to 25,434.66, 38,108.98 and 15,553.20 is: 23,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.66 : 38,108.98 = 15,553.20 : x
  2. Step 2: Convert to fraction form
    25,434.66/38,108.98 = 15,553.20/x
  3. Step 3: Cross multiply
    25,434.66x = 38,108.98 × 15,553.20
  4. Step 4: Simplify right side
    25,434.66x = 592,716,587.74
  5. Step 5: Solve for x
    x = 592,716,587.74/25,434.66
  6. Step 6: Final answer
    x = 23,303.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.