Home / 25,312.02-34,929.96-13,981.32

Finding the Fourth Proportional to 25,312.02, 34,929.96 and 13,981.32

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Solution

The fourth proportional to 25,312.02, 34,929.96 and 13,981.32 is: 19,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.02 : 34,929.96 = 13,981.32 : x
  2. Step 2: Convert to fraction form
    25,312.02/34,929.96 = 13,981.32/x
  3. Step 3: Cross multiply
    25,312.02x = 34,929.96 × 13,981.32
  4. Step 4: Simplify right side
    25,312.02x = 488,366,948.35
  5. Step 5: Solve for x
    x = 488,366,948.35/25,312.02
  6. Step 6: Final answer
    x = 19,293.87

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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.