Home / 25,478.40-35,153.28-14,300.16

Finding the Fourth Proportional to 25,478.40, 35,153.28 and 14,300.16

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Solution

The fourth proportional to 25,478.40, 35,153.28 and 14,300.16 is: 19,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.40 : 35,153.28 = 14,300.16 : x
  2. Step 2: Convert to fraction form
    25,478.40/35,153.28 = 14,300.16/x
  3. Step 3: Cross multiply
    25,478.40x = 35,153.28 × 14,300.16
  4. Step 4: Simplify right side
    25,478.40x = 502,697,528.52
  5. Step 5: Solve for x
    x = 502,697,528.52/25,478.40
  6. Step 6: Final answer
    x = 19,730.34

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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.