Home / 25,417.05-35,075.02-15,345.91

Finding the Fourth Proportional to 25,417.05, 35,075.02 and 15,345.91

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Solution

The fourth proportional to 25,417.05, 35,075.02 and 15,345.91 is: 21,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.05 : 35,075.02 = 15,345.91 : x
  2. Step 2: Convert to fraction form
    25,417.05/35,075.02 = 15,345.91/x
  3. Step 3: Cross multiply
    25,417.05x = 35,075.02 × 15,345.91
  4. Step 4: Simplify right side
    25,417.05x = 538,258,100.17
  5. Step 5: Solve for x
    x = 538,258,100.17/25,417.05
  6. Step 6: Final answer
    x = 21,177.05

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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.